GHSA-JW8G-5J46-44RP AVideo: CSRF in userSavePhoto.php Allows Cross-Origin Overwrite of Authenticated Users' Profile Photos with Arbitrary Content

Summary objects/userSavePhoto.php is a legacy profile-photo endpoint that accepts a base64 POST parameter and writes the decoded bytes to videos/userPhoto/photo.png. Its only access control is User::isLogged. It does not end in .json.php, so it is excluded from the project's global autoCSRFGuard...

OpenClaw Denial of Service Vulnerability (CNVD-2026-13552)

OpenClaw is software for processing base64 encoded media input. A denial of service vulnerability exists in OpenClaw. An attacker can exploit this vulnerability to cause a denial of service by constructing an oversized base64 load that triggers a memory exhaustion...

OpenClaw 安全漏洞

OpenClaw is software for processing base64 encoded media input. A denial of service vulnerability exists in OpenClaw. An attacker can exploit this vulnerability to cause a denial of service by constructing an oversized base64 load that triggers a memory exhaustion...

CVE-2026-25067

SmarterTools SmarterMail before build 9518 is affected by an unauthenticated path coercion in the background-of-the-day preview endpoint. The flaw stems from base64-decoding attacker-supplied input and using it as a filesystem path without validation, which on Windows can resolve UNC paths and tr...

CVE-2026-25067 SmarterTools SmarterMail < Build 9518 Unauthenticated background-of-the-day Path Coercion

SmarterTools SmarterMail versions prior to build 9518 contain an unauthenticated path coercion vulnerability in the background-of-the-day preview endpoint. The application base64-decodes attacker-supplied input and uses it as a filesystem path without validation. On Windows systems, this allows U...

EUVD-2026-2680

Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.1.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse inpu...

CVE-2025-15514

A flaw was found in Ollama's multi-modal model image processing functionality. A remote attacker can exploit this by sending specially crafted base64-encoded image data to the /api/chat endpoint. This malformed input can lead to a null pointer dereference, causing a segmentation fault and crashin...

EUVD-2025-34800

The file mexcel.php in the Vfront 0.99.52 codebase contains a vulnerable call to unserializebase64decode$POST'mexcel', where $POST'mexcel' is user-controlled input. This input is decoded from base64 and deserialized without validation or use of the allowedclasses option, allowing an attacker to...

CVE-2024-56828

File Upload vulnerability in ChestnutCMS through 1.5.0. Based on the code analysis, it was determined that the /api/member/avatar API endpoint receives a base64 string as input. This string is then passed to the memberService.uploadAvatarByBase64 method for processing. Within the service, the...

CVE-2022-4120

The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadge...

ChestnutCMS 安全漏洞

ChestnutCMS is a front-end and back-end separated enterprise-level content management system by liweiyi individual developer. A security vulnerability exists in ChestnutCMS 1.5.0 and earlier versions, which originates from the /api/member/avatar interface in the file upload function does not...

PT-2022-25722 · WordPress · Stop Spammers Security

Name of the Vulnerable Software and Affected Versions: The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin versions prior to 2022.6 Description: The issue arises when the plugin passes base64 encoded user input to the unserialize PHP function, specifically when CAPTCHA...

WordPress Plugin Stop Spammers Security 代码问题漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform supports personal blog sites on PHP and MySQL servers.WordPress plugin is an application plugin. A code issue vulnerability exists in...

CVE-2021-24857

The ToTop Link WordPress plugin through 1.7.1 passes base64 encoded user input to the unserialize PHP function, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain...

GHSA-CQ6W-W5RJ-P9X8 Cross-site Scripting in Froala Editor

Froala Editor 3.2.6 is affected by Cross Site Scripting XSS. Under certain conditions, a base64 crafted string leads to persistent Cross-site scripting XSS vulnerability within the hyperlink creation module...

CVE-2019-18205

Multiple Reflected Cross-site Scripting XSS vulnerabilities exist in Zucchetti InfoBusiness before and including 4.4.1. The browsing component did not properly sanitize user input encoded in base64. This also applies to the search functionality for the searchKey parameter...

Amazon Linux AMI : lighttpd (ALAS-2012-107)

Integer signedness error in the base64decode function in the HTTP authentication functionality httpauth.c in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service segmentation fault via crafted base64 input that triggers an out-of-bounds...

Medium: lighttpd

Issue Overview: Integer signedness error in the base64decode function in the HTTP authentication functionality httpauth.c in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service segmentation fault via crafted base64 input that triggers a...

CVE-2011-4362

Integer signedness error in the base64decode function in the HTTP authentication functionality httpauth.c in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service segmentation fault via crafted base64 input that triggers an out-of-bounds...

Integer overflow

Integer signedness error in the base64decode function in the HTTP authentication functionality httpauth.c in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service segmentation fault via crafted base64 input that triggers an out-of-bounds...