EUVD-2026-103317

phpMyFAQ 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability in SvgSanitizer that allows users with FAQEDIT permission to bypass sanitization using XML DTD custom entities. Attackers can upload an SVG defining an entity that expands to javascript in an anchor href,...

CVE-2026-111903

The software phpMyFAQ (versions 4.2.0-alpha before 4.2.0-beta ) is vulnerable to a stored cross-site scripting (XSS) flaw in the SvgSanitizer component. This vulnerability allows users with FAQ_EDIT permissions to bypass input sanitization by utilizing XML DTD custom entities . An attacker can up...

EUVD-2026-103323

phpMyFAQ from 4.2.0-alpha before 4.2.0-beta contains a stored cross-site scripting vulnerability in SvgSanitizer that allows FAQ editors to store executable SVG files. Attackers can split script tags around removed tokens like processing instructions so single-pass removal reassembles them,...

CVE-2026-111896

phpMyFAQ versions 4.2.0-alpha before 4.2.0-beta are vulnerable to a stored cross-site scripting (XSS) flaw within the SvgSanitizer component. The vulnerability exists because the sanitizer's single-pass removal process can be bypassed by splitting script tags around removed tokens, such as proces...

Duplicate Advisory: phpMyFAQ: SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3. This link is maintained to preserve external references. Original Description phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that...

EUVD-2026-30597

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQEDIT permission can upload malicious SVG files with deeply...

PT-2026-42650

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-whqh-9pq5-c7r3. This link is maintained to preserve external references. Original Description phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that...

CVE-2026-46360: Improper Neutralization of Input During Web Page Generation

phpMyFAQ before 4.1.2 contains a stored cross-site scripting vulnerability in SvgSanitizer::decodeAllEntities that limits recursive entity decoding to 5 iterations, allowing attackers to bypass sanitization. Authenticated users with FAQEDIT permission can upload malicious SVG files with deeply...

CVE-2026-43900

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, a Cross-Site Scripting XSS vulnerability exists due to a discrepancy between the backend validation layer and the frontend browser rendering engine. The SVGSanitizer...

CVE-2026-43900

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, a Cross-Site Scripting XSS vulnerability exists due to a discrepancy between the backend validation layer and the frontend browser rendering engine. The SVGSanitizer...

CVE-2026-43900: Improper Neutralization of Input During Web Page Generation

DeepChat is an open-source artificial intelligence agent platform that unifies models, tools, and agents. Prior to v1.0.4-beta.1, a Cross-Site Scripting XSS vulnerability exists due to a discrepancy between the backend validation layer and the frontend browser rendering engine. The SVGSanitizer...

GHSA-WHQH-9PQ5-C7R3 phpMyFAQ has a SVG Sanitizer Entity Decoding Depth Limit Bypass Leading to Stored XSS

Summary The SvgSanitizer::decodeAllEntities method limits recursive entity decoding to 5 iterations. By wrapping each character of javascript in an href attribute value with 5 levels of & encoding around numeric HTML entities e.g., amp;amp;amp;106; for j, an attacker can bypass both isSafe...

PT-2026-41508

Summary The SvgSanitizer::decodeAllEntities method limits recursive entity decoding to 5 iterations. By wrapping each character of javascript in an href attribute value with 5 levels of & encoding around numeric HTML entities e.g., amp;amp;amp;106; for j, an attacker can bypass both isSafe...