Revive Adserver: Stored-XSS in campaign name displayed in Banners modal

Description: A low-privilege authenticated user can create or edit advertiser/campaign names containing HTML/JavaScript. Those values are stored in the application and later rendered without proper HTML escaping in the admin Inventory → Banners advertiser/campaign picker. When an administrator...

Remote code execution via transformers_utils/get_config

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curl: Directory Traversal Vulnerability in cURL via Content-Disposition Header Processing

Vulnerability Description The parsefilename function in src/toolcbhdr.c does not adequately validate and sanitize filenames extracted from HTTP Content-Disposition headers, allowing directory traversal attacks when the -O remote-name and -J remote-header-name options are used together. Vulnerable...

curl: curl built with GnuTLS backend defaults to weak crypto parameters

Summary: Curl configured with GnuTLS backend --with-gnutls defaults using "NORMAL" as the base level of the library cryptographic security. From GnuTLS documentation: The message authenticity security level is of 64 bits or more, and the certificate verification profile is set to GNUTLSPROFILELOW...

curl: Buffer over-read,, Missing NUL termination in addvariable() causes undefined behavior

Summary: In addvariable used by setvariable, the code allocates memory for p-name without space for a null-terminator and copies nlen bytes directly. Later, functions like varcontent call strlen on this name, assuming it is null-terminated. This can lead to out-of-bounds memory reads, causing...

Node.js: Timeout-based race conditions make Uint8Array/Buffer.alloc non-zerofilled

A flaw in Node.js's buffer allocation logic was discovered, where buffers allocated with Buffer.alloc and other TypedArray instances like Uint8Array may contain leftover data from previous operations under specific timing conditions...

Revive Adserver: Stored-XSS in Banner Name field

Version: ==revive-adserver 6.0.0== Summary: A stored Cross-Site Scripting XSS vulnerability exists in the Banner → Name field. An attacker can create or edit a banner with a malicious payload in the Name field; that payload is stored and later executed in the browser of users who were added to th...

curl: SOCKS5 Heap Buffer Overflow via Malicious HTTP Redirect with Oversized Hostname

Summary: A heap-based buffer overflow vulnerability exists in curl's SOCKS5 proxy handshake implementation when processing HTTP redirects containing hostnames exceeding 255 characters. When curl is configured to use SOCKS5 with hostname resolution socks5h:// scheme and follows an HTTP redirect to...

curl: Logical Flaw in curl_url_set Leads to Inconsistent Query Parameter Encoding

Hello curl security team, First, thank you for your incredible work on maintaining such a critical and robust piece of software. We have been conducting a deep-dive source code audit of libcurl and believe we have identified a subtle logical flaw in the curlurlset API that has security...

Revive Adserver: Reflected XSS in /admin/banner-zone.php (v6.0.0+)

Description: A Reflected Cross-Site Scripting Reflected XSS vulnerability. User-supplied input from the banner search fields "Website" is reflected into the page without proper context-aware encoding Step: 1. When I create Banners, I click it and click 'Linked Zones'. At that, I insert payload...

Revive Adserver: Information Disclosure via Verbose Error Messages

Version: ==revive-adserver 6.0.0== Summary: Revive Adserver v6.0.0 exposes sensitive technical details through verbose error messages, revealing the exact MySQL/MariaDB version, SQL queries, and PHP environment details. Attackers can use this information to identify known vulnerabilities or craft...

Revive Adserver: IDOR Vulnerability in Banner Deletion

Summary I found an IDOR vulnerability in Revive Adserver's banner deletion endpoint that lets any Manager delete banners belonging to other Managers. The code validates access to the parent campaign but doesn't check if the user owns the specific banner being deleted. This means Manager A can...

Revive Adserver: Information Disclosure via “Add user” lookup in Account Management (User Access)

Version: ==revive-adserver 6.0.0== Flow Administrator Account ├── Management 1 │ ├── User A1 │ └── User A2 └── Management 2 ├── User B1 leak email, contacname └── User B2 leak email, contacname Summary: When a user under Management 1 navigates to User Access → Add user and enters a username, the...

curl: CURLX_SET_BINMODE(NULL) can call fileno(NULL) and cause undefined behavior / crash

Summary ------- Calling the CURLXSETBINMODEstream macro with stream == NULL leads to an unguarded call to filenoNULL in toolbinmode.h, which is undefined behavior and may crash the process. This is a robustness/UB issue and should be corrected by guarding against NULL streams before calling filen...

curl: curl’s persistence files inherit world-readable/writable perms from umask, leaking and tampering with cookies/HSTS/Alt-Svc caches

Executive Summary Curlfopen clones the permissions of any pre-existing persistence file when creating its temporary file. When the persistence file does not exist, it first creates one with the process umask typically 022, i.e., 0644. That mode is then copied to the temp file via 0600 | sb.stmode...

Revive Adserver: Stored XSS in Conversion Statistics via Tracker Name

I found stored XSS on the conversion statistics page. Advertisers can inject malicious JavaScript through tracker names, which executes when admins view conversion reports www/admin/stats-conversions.php:356. I was able to steal admin session cookies using this vulnerability. This is a privilege...

Nextcloud: Credential Disclosure via Unvalidated directDownloadUrl (Missing DontAddCredentialsAttribute)

The Nextcloud Desktop Client was found to automatically include user credentials Authorization header with username and password in Base64 when downloading files via the "directDownloadUrl" feature. This allowed a malicious Nextcloud server to specify an attacker-controlled URL, causing the clien...

Discourse: Denial of Service (DoS) Vulnerability in Drafts Creation Endpoint

A Denial of Service DoS vulnerability was identified in the /drafts.json endpoint on the Discourse forum. Large payloads around 800,000 characters or more submitted to create drafts caused the server to process the request, return a 502 Bad Gateway error, but still save the draft. Submitting...