MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field

Lack of validation of filtertarget parameter on returndynamicfilters.php normally used as an AJAX in View Issues Page allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field. Impact Cross-site scripting XSS Patches - c885af13f0b8596714ffe11df757c09f35fbd8f4 Workaround...

GHSA-QJ6W-V29Q-4RGX MantisBT is Vulnerable to Stored XSS in Custom Field Textarea Values

Improper escaping of a textarea custom field's contents in the Update Issue page bugupdatepage.php allows an attacker to inject HTML and, if CSP settings permit, execute arbitrary JavaScript when the page is loaded. Impact Session theft leading to admin account takeover, full project data access....

Cross-site Scripting (XSS)

Overview mantisbt/mantisbt is a mantis bug tracker. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper escaping of textarea custom field contents in the bugupdatepage.php process. An attacker can inject HTML and, if content security policy settings allow,...

MantisBT is Vulnerable to Stored XSS in Custom Field Textarea Values

Improper escaping of a textarea custom field's contents in the Update Issue page bugupdatepage.php allows an attacker to inject HTML and, if CSP settings permit, execute arbitrary JavaScript when the page is loaded. Impact Session theft leading to admin account takeover, full project data access....

PT-2026-39889

Name of the Vulnerable Software and Affected Versions MantisBT affected versions not specified Description Lack of validation of the filter target parameter in the 'return dynamic filters.php' endpoint allows an attacker to inject arbitrary HTML when the target is a TEXTAREA custom field, leading...

PT-2026-39880

Name of the Vulnerable Software and Affected Versions Mantis Bug Tracker MantisBT versions prior to 2.28.2 Description Flawed logic in the Update Issue page 'bug update page.php' causes improper escaping of textarea custom field contents. This allows an authenticated user with low-privilege bug...

CVE-2026-4142 Sentence To SEO (keywords, description and tags) <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Permanent keywords' Field

The Sentence To SEO keywords, description and tags plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Permanent keywords' field in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping. The plugin reads user input via...

CVE-2026-4142 Sentence To SEO (keywords, description and tags) <= 1.0 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'Permanent keywords' Field

The Sentence To SEO keywords, description and tags plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Permanent keywords' field in all versions up to and including 1.0. This is due to insufficient input sanitization and output escaping. The plugin reads user input via...

CVE-2026-6439

The VideoZen plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.0.1. This is due to insufficient input sanitization and output escaping in the videozenconf function. The 'lang' POST parameter is stored directly via updateoption without any...

CVE-2026-6439

The CVE-2026-6439 entry concerns the VideoZen WordPress plugin (versions up to 1.0.1). The vulnerability is a Stored Cross-Site Scripting flaw in the videozen_conf() function where the 'lang' POST parameter is stored via update_option() without sanitization and later echoed inside a without prop...

EUVD-2026-23110

sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements...

GHSA-9MRH-V2V3-XPFM sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

Summary Commit 49d0bb7 introduced a regression in sanitize-html that bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option. Entity-encoded HTML inside these elements passes through the sanitizer as decoded, unescaped HTML, allowing injection of arbitrary...

sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

Summary Commit 49d0bb7 introduced a regression in sanitize-html that bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option. Entity-encoded HTML inside these elements passes through the sanitizer as decoded, unescaped HTML, allowing injection of arbitrary...

Cross-site Scripting (XSS)

Overview sanitize-html is a library that allows you to clean up user-submitted HTML, preserving whitelisted elements and whitelisted attributes on a per-element basis Affected versions of this package are vulnerable to Cross-site Scripting XSS in sanitizeHtml, when entity-encoded text is present...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186 ApostropheCMS: sanitize-html allowedTags Bypass via Entity-Decoded Text in nonTextTags Elements

ApostropheCMS is an open-source Node.js content management system. A regression introduced in commit 49d0bb7, included in versions 2.17.1 of the ApostropheCMS-maintained sanitize-html package bypasses allowedTags enforcement for text inside nonTextTagsArray elements textarea and option...

CVE-2026-40186

ApostropheCMS is affected by CVE-2026-40186 due to a regression in sanitize-html (commit 49d0bb7) that bypasses allowedTags for text inside nonTextTagsArray elements (textarea, option). Versions: the vulnerability exists in ApostropheCMS 4.28.0 via its sanitize-html dependency (2.17.1). The root ...

PT-2026-33174

Name of the Vulnerable Software and Affected Versions ApostropheCMS versions prior to 4.29.0 sanitize-html version 2.17.1 Description A regression in the sanitize-html package allows a bypass of allowedTags enforcement for text within nonTextTagsArray elements, specifically textarea and option. T...

CVE-2026-30237

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.155, 25.0.88, and 26.0.10, there is a reflected XSS vulnerability in the GroupOffice installer, endpoint install/license.php. The POST field license is rendered without escaping inside a ,...