CVE-2026-39960 MantisBT is Vulnerable to Stored XSS through Custom Field Textarea Values

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

CVE-2026-39960

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

EUVD-2026-31192

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

CVE-2026-39960 MantisBT is Vulnerable to Stored XSS through Custom Field Textarea Values

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

CVE-2026-39960

MantisBT (versions ≤ 2.28.1) is vulnerable to Stored XSS via improper escaping of a textarea custom field on the Update Issue page (bug_update_page.php). The flaw allows an attacker, authenticated with bug report permission, to inject HTML and potentially execute JavaScript when the page loads, e...

CVE-2026-39960 MantisBT is Vulnerable to Stored XSS through Custom Field Textarea Values

Mantis Bug Tracker MantisBT is an open source issue tracker. Versions 2.28.1 and below contain flawed logic that causes improper escaping of a textarea custom field's contents in the Update Issue page, bugupdatepage.php allowing an attacker to inject HTML and, if CSP settings permit, execute...

MantisBT 1.0.0 < 2.28.2 Dynamic Custom Textarea Field Reflected XSS (GHSA-j7v9-f46r-2rp4)

The version of MantisBT installed on the remote host is 1.0.0 or later but prior to 2.28.2. It is, therefore, affected by a vulnerability: - MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field. CVE-2026-41897 Note that Nessus has not tested for this issue but has...

CVE-2020-37225 Powie's WHOIS Domain Check 0.9.31 Persistent Cross-Site Scripting

Powie's WHOIS Domain Check 0.9.31 contains a persistent cross-site scripting vulnerability that allows authenticated attackers to inject arbitrary JavaScript by exploiting unsanitized input fields in plugin settings. Attackers can submit malicious payloads through textarea and input elements in t...

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...

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 the returndynamicfilters.php process when handling the filtertarget parameter. An attacker can execute arbitrary HTML or scripts in the context of a user's browser ...

GHSA-J7V9-F46R-2RP4 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...

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,...

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....

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-2026-4142: Improper Neutralization of Input During Web Page Generation

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...