Unikrn: Email abuse and Referral Abuse

Summary: Abuse of Email Invite and Referral Abuse Description: Logic Flaws : 1. Users have been provided with an option to invite friends as referrals. It is possible to abuse your email invite service by repeating the same request. It is a discredit to unikrn if someone repeatedly sends the...

Concrete CMS: 'cnvID' parameter vulnerable to Insecure Direct Object References

Installation Information === IIS 8, PHP 5.5, Concrete5 5.7.5.7 Default install Issue POC An unauthenticated user can enumerate comments from all blog posts by POSTing requests to /index.php/tools/required/conversations/viewajax with incremental 'cnvID' integers. 1. An example blog with permission...

Quora: XSS through `__e2e_action_id` delivered by JSONP

Summary: The e2eactionid params used with POST requests to /servercallPOST?m= endpoint is not properly escaped when reflected back on a response allowing to inject Javascript. Also, another issue on some methods such as /servercallPOST?m=edit allows - with a strong premise discussed on the...

Coinbase: Device confirmation Flaw

Devices being auto-confirmed in an unexpected way looked like a security bug but was intended functionality...

WakaTime: Clickjacking on authorized page https://wakatime.com/share/embed

Hii, https://wakatime.com/share/embed is vulnerabel to clickjaking. Description: I found the resource on https://wakatime.com/share/embed, which can be vulnerable to the Clickjacking. Impact The resource without X-Frame-Options potentially vulnerable to the Clickjacking. The vulnerability exist...

Automattic: SSRF and local file disclosure in https://wordpress.com/media/videos/ via FFmpeg HLS processing

Summary FFmpeg is a video encoding software that appears to be used by wordpress.com for video processing for paid accounts. FFmpeg is known to process HLS playlists that may contain references to external files. I was able to fire this feature using GAB2 subtitle chunks inside an AVI file. After...

Automattic: Unauthenticated RCE in Vaultpress

Hitting wordpress instalattion with vaultpress on it with get parameter vaultpress=true attacker is one method away from RCE and that method is validateapisignature. In this method we have the following constraints: 1. Firewall 2. Usage recomended of openssl to validate API call In case of disabl...

Nextcloud: Delete All Data of Any User

If you are user have permission manage useradmin group, you can delete all data off website. step: 1. Create new user with username is '.'. 2. Delete user, who just have been created. Cause: when you create new use, nextcloud app will make a new folder same name with username, which have been...

HackerOne: Able to create basic user account via Google login on HackerOne Drupal CMS

Summary: Hi, I've found that hackerone.com has drupal installed and when I navigated to this URL https://www.hackerone.com/user/password Found "Log in" and "password reset option". When I clicked on login it redirected me to google login Then I login using my gmail account and it redirected to...

Nextcloud: Email Spoofing

Hi there, Similar to this report submitted to Hackerone itself: https://hackerone.com/reports/575 You also are vulnerable to email spoofing. Steps to reproduce: 1- Go to https://emkei.cz A Fake Mailer 2- Set the from to parameter as [email protected] or any other name, and send it. 3- The ema...

Mail.ru: [element.mail.ru] /.svn/entries

В веб директории сайта содержится папка от Subversion. Теоретически это дает раскрытие исходных кодов, но в данном случае файлы с расширением .php.svn-base тоже исполняются веб-сервером. Пример: https://element.mail.ru/.svn/entries 10 dir 14...

Coinbase: Window.opener bug at www.coinbase.com

Window.Opener Bug Description: When you open a link in a new tab target="blank" , the page that opens in a new tab can access the initial tab and change it's location using the window.opener property. Browsers Verified In: Mozilla Firefox Steps To Reproduce: 1. Visit https://www.coinbase.com/ 2. ...

QIWI: [lk.contact-sys.com] SQL Injection reset_password FP_LK_USER_LOGIN

Steps to reproduce 1 Открыть https://lk.contact-sys.com/index.php/LK/login 2 Нажать "Забыли пароль?" 3 Заполнить форму Код Участника: test Логин: ' and @@version=1 and '1'='1 HTTP Request http POST /index.php/LK/resetpassword HTTP/1.1 Host: lk.contact-sys.com Content-Type:...

OLX: SQLi in Payment Request

Hi there, I have found out that one request in your API is vulnerable to SQL injection. PoC: Invalid Request: GET /api/v1.0/payments/items?ids=891048367'"&platform=desktop HTTP/1.1 Host: www.olx.com.ar User-Agent: Mozilla/5.0 Windows NT 6.3; WOW64; rv:46.0 Gecko/20100101 Firefox/46.0 Accept:...

Dropbox: Dropbox apps Server side request forgery

Hi, SSRF is a vulnerability that appears when an attacker has the ability to create requests from the vulnerable server. Usually, Server Side Request Forgery SSRF attacks target internal systems behind the firewall that are normally inaccessible from the outside world but using SSRF it’s possible...

Internet Bug Bounty: EVP_EncodeUpdate overflow (CVE-2016-2105)

https://github.com/openssl/openssl/commit/ee1e3cac2e83abc77bcc8ff98729ca1e10fcc920...

Slack: Authentication bypass leads to sensitive data exposure (token+secret)

@secalert discovered an information disclosure on our server which took advantage of an authorization error that allowed the viewing of sensitive information on the server. We mitigated the issue and no longer expose such information, and performed an investigation to verify that no unauthorized...

Internet Bug Bounty: BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption (CVE-2016-0797)

https://openssl.org/news/secadv/20160301.txt...

Informatica: [rev-app.informatica.com] - XXE via SAML

Request: POST /sso HTTP/1.1 Host: rev-app.informatica.com Connection: keep-alive Content-Length: 8669 Cache-Control: max-age=0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,/;q=0.8 Origin: https://infapassport.okta.com Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5....

Coinbase: XXE in OAuth2 Applications gallery profile App logo

upload svg photo XML based as App logo contain XML payload renamed to .jpg server start execute this XML payload or just watch this video "https://www.dropbox.com/s/wkba6f0wrax0wr8/xxe.mp4?dl=0" the same vulnerability was in https://www.coinbase.com/careers and reported by...

QIWI: [rubm.qiwi.com] Yui charts.swf XSS

Yui charts.swf XSS...

InVision: Deleting a Project for which the user is not owner but a normal member

A Project member who is not the owner of the project does not have delete option. But using proxy tool like Burp Suite, a low privilege Project member user can delete the Project, Where only the project owner has the privilege to delete the project. Pre-Requisite: A project where current user is...

Envoy: [dashboard.signwithenvoy.com] Open Redirect

Open redirect via Request-URI PoC: https://dashboard.signwithenvoy.com//www.google.com/%2e%2e%2f HTTP Response: HTTP/1.1 303 See Other ... Location: //www.google.com/%2e%2e%2f/...

X (Formerly Twitter): twitter android app Fragment Injection

com.twitter.android.WidgetSettingsActivity extend PreferenceActivity and export. By entering the appropriate extra intent can call any of its internal fragment. So do not export com.twitter.android.WidgetSettingsActivity...

QIWI: Metadata in hosted files is disclosing Usernames, Printers, paths, admin guides. emails

Hi - vulnerable hosts; agent.qiwi.com static.qiwi.com visa.qiwi.com w.qiwi.com www.qiwi.com • the type of vulnerability; Information disclosure • where exactly; There are multiple locations for documents with valuable metadata attached. These are both Qiwi documents and documents uploaded by...

Block.io: SMPT Protection not used, I can hijack your email server.

Description Companies like Coinbase, Yahoo,Google,Facebook and even hackerone implemented a strict email security policy combining SPF, DKIM, and DMARC but I don't see taht from block.io , You should apply strict SMPT policy to stop spoofed email sending from your domain. POC is attached. Exploit...

Faceless: Account hijacking possible through ADB backup feature

It was found that if an attacker had access to an unlocked phone, they could take any data from the application's sandbox through ADB's backup feature. Normally ADB backup allows applications to be backed up to the cloud. This means that if a user replaces or wipes their phone, they can restore a...

Concrete CMS: FULL PATH DISCLOSUR

Full Path Disclosure FPD vulnerabilities enable the attacker to see the path to the webroot/file. e.g.: /home/omg/htdocs/file/. Certain vulnerabilities, such as using the loadfile within a SQL Injection query to view the page source, require the attacker to have the full path to the file they wis...

Phabricator: CSRF token valid even after the session logout of a particular user

Hi, To reproduce the issue: 1 Login to your https://secure.phabricator.com account and copy your Anti CSRF token. 2 Now logout and again login after sometime. 3 Open up your burp suite to modify the request and now submit any form with your old CSRF token. The request will be completed. So let's...

Internet Bug Bounty: Flash type confusion vulnerability leads to code execution

This bug was reported directly to Adobe. http://helpx.adobe.com/security/products/flash-player/apsb13-28.html...

Node.js: Node --run POSIX positional argument escaping allows shell command injection

Summary Node.js node --run -- attempts to append positional arguments to a package script after escaping each argument for the shell. On POSIX platforms, the escaping logic handles single quotes incorrectly. A positional argument containing a single quote can break out of the intended quoted...

curl: HSTS accepted from HTTP origin behind HTTPS proxy

curl/libcurl appears to accept and persist Strict-Transport-Security from an http:// origin when the request is sent through an https:// proxy. After that, a later http:// request for the same host is automatically upgraded to https:// due to stored HSTS state. Affected versions 8.12.0 through...

Nintendo: ASLR leak in Mario Kart World through LAN mode

A vulnerability was discovered in the LAN mode of Mario Kart World that allowed an ASLR leak. This vulnerability was found in the game's software...

curl: arbitrary file read via `file://` path traversal with `--path-as-is`

Summary: Using --path-as-is with a file:// URL skips normalization of .. segments allowing reading of any local file the process can access Affected version curl 8.15.0-DEV commit 2a9dfe275, June 27, 2025 on Kali Linux 2024.3, x8664 Steps To Reproduce: 1. bulild curl with debug and ASan: git clon...

curl: HTTP/2 PUSH_PROMISE DoS

Vulnerability description not provided...

Teleport: access list owner can escalate his role to the highest roles

Summary: 1. Go to your-domain.teleport.sh/web/accesslists. 2. Create a new access list and add a role to "Roles Granted," e.g., "reviewer" role. 3. Add a user as the Access List Owner. 4. The user, as the Access List Owner, can escalate the role of the list to higher roles, thereby escalating the...

PortSwigger Web Security: CSP bypass on PortSwigger.net using Google script resources

A cross-site scripting vulnerability was discovered on PortSwigger.net. The site's content security policy allowed resources from Google's reCAPTCHA domain, which contains AngularJS. This could be abused to bypass the CSP and load arbitrary scripts from other domains. The issue allowed an attacke...

U.S. Dept Of Defense: User automatically logged in as Sys Admin user on https://███/Administration/Administration.aspx

A vulnerability was discovered where any user could be automatically logged in as a system administrator on a web application. This allowed unrestricted access and privileges could be abused to modify user privileges, add or delete users, and upload files, jeopardizing the integrity of the...

GitHub: Smuggling content in PR with refs/replace in GitHub

An incorrect comparison vulnerability was found in GitHub Enterprise Server, allowing commit smuggling through the display of an incorrect diff in the GitHub pull request UI. This vulnerability required write access to the repository and affected versions 3.7.0 and above. It was fixed in versions...

HackerOne: Any one can view collaborater email address via path /reports/<id>/participants

The vulnerability allowed anyone to view the email address of collaborators invited to vulnerability reports through the program's API. Access to collaborator email addresses was not properly restricted...

Nextcloud: Chat room member disclosure via autocomplete API

It was possible to find out who is in a Spreed chat room using the autocomplete API, even if the person is not a member of the room. This vulnerability could have been exploited to gain information about the members of a chat room for malicious purposes...

Ruby on Rails: Rails::Html::SafeListSanitizer vulnerable to XSS when certain tags are allowed (math+style || svg+style)

Intro The Rails HTML sanitzier allows to set certain combinations of tags in it's allow list that are not properly handled. Similar to the report 1530898, which identified the combinationselect and style as vulnerable, my fuzz testing from today suggests that also svg and style as well as math an...

U.S. Dept Of Defense: SQL injection at [https://█████████] [HtUS]

Hello, Summary while doing test on www.███ I’ve found that the endpoint at /olc/███comments/commentpost.php is vulnerable with SQL injection vulnerability Vulnerable parameters - staffstudent POC - using sqlmap run command jsx python3 sqlmap.py --level=5 --risk=3 --tamper=space2comment...

Nextcloud: Ownership check missing when updating or deleting attachments

Summary: Ownership check is missing for attachments. Steps To Reproduce: 1. Open mail app 2. Compose a new message 3. Attach some file 4. Send message 5. Copy the xhr request and modify the attachment ids 6. See that localmessageid is changed for a different user When you compose a message and pu...

curl: curl proceeds with unsafe connections when -K file can't be read

Summary: I'm using curl 7.82.0 on Linux. When the file specified by the -K option can't be read, curl sends network traffic as specified by the other options that are explicitly included on the command line in other words, there's only a warning and I'd like it to be a fatal error. This behavior...

IBM: Public Jenkins instance with /script enabled

An RCE/LFI due to Public Jenkins instance with /script enabled was reported to IBM February 26th, analyzed and has been remediated since March 3rd, 2022. Thank you to Sanjok Karki thesanjok for the finding. RCE/LFI due to Public Jenkins instance with /script enabled...

HackerOne: [Bypass] Ability to invite a new member in sandbox Organization

Summary: Able to bypass the restriction set in Organization sandbox automatically created when you created sandbox program to send an invite to another security researcher. Description: In the default UI of sandboxHackerone Organization, inviting another security researcher is restricted ex.:...

8x8: ████ api key exposed in github.com/███/███

@adnanmalikinfo identified a committed API key of a 3rd party SaaS platform for social marketing. We swiftly escalated to the repository owner, who restricted access...

GitHub Security Lab: [Java] CWE-552: Query to detect unsafe request dispatcher usage

This bug was reported directly to GitHub Security Lab...

lemlist: [app.lemlist.com] Improper handling of payment lead to bypass payment

Summary: Hello Team, I truly hope it treats you awesomely on your side of the screen : due to improper handling of payment methods, an attacker can easily bypass the payment and benefit from a paid plan. Steps To Reproduce: 1. Log to your account 1. Go to the billing page 1. Fill in the address t...