https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Thu, 08 Oct 2026 09:06:47 +0000 https://vulnerability.circl.lu/vuln/ghsa-vcrw-4xvv-jh49 <p><strong>Affected:</strong> Packagist: mantisbt/mantisbt</p> <p>MantisBT 2.28.3 and earlier contains six reflected XSS injection points in `/admin/install.php`. User-supplied parameters are echoed into HTML without escaping via an unescaped printf format string. No authentication is required.</p> <p>A Content Security Policy (script-src &#39;self&#39;) prevents inline JavaScript execution, but the CSP is missing a form-action directive, allowing exploitation via credential-phishing form injection and &lt;meta&gt; open redirects.</p> <p>### Impact - Credential phishing: Attacker crafts a URL that renders a fake login form on the real MantisBT admin page. Admin credentials are submitted to an attacker-controlled server. - Open redirect: Victim is silently redirected to a phishing or malware site. - UI manipulation: CSS injection can hide legitimate page content and overlay attacker-controlled HTML, enabling social engineering.</p> <p>### Patches - https://github.com/mantisbt/mantisbt/commit/297773fbb238c39a153bd888431b41a176132098</p> <p>### Workarounds Remove the `/admin` directory, as [recommended in the Admin Guide](https://mantisbt.org/docs/master/en-US/Admin_Guide/html-desktop/#admin.install.postcommon)</p> <p>### Resources - https://mantisbt.org/bugs/view.php?id=37103 - related advisory [GHSA-77x8-3v3h-hrhv](https://github.com/mantisbt/mantisbt/security/advisories/GHSA-77x8-3v3h-hrhv)</p> <p>### Credits McCaulay Hudson (@_McCaulay) of watchTowr</p> <p><strong>Affected:</strong> Packagist: mantisbt/mantisbt</p> <p>MantisBT 2.28.3 and earlier contains six reflected XSS injection points in `/admin/install.php`. User-supplied parameters are echoed into HTML without escaping via an unescaped printf format string. No authentication is required.</p> <p>A Content Security Policy (script-src &#39;self&#39;) prevents inline JavaScript execution, but the CSP is missing a form-action directive, allowing exploitation via credential-phishing form injection and &lt;meta&gt; open redirects.</p> <p>### Impact - Credential phishing: Attacker crafts a URL that renders a fake login form on the real MantisBT admin page. Admin credentials are submitted to an attacker-controlled server. - Open redirect: Victim is silently redirected to a phishing or malware site. - UI manipulation: CSS injection can hide legitimate page content and overlay attacker-controlled HTML, enabling social engineering.</p> <p>### Patches - https://github.com/mantisbt/mantisbt/commit/297773fbb238c39a153bd888431b41a176132098</p> <p>### Workarounds Remove the `/admin` directory, as [recommended in the Admin Guide](https://mantisbt.org/docs/master/en-US/Admin_Guide/html-desktop/#admin.install.postcommon)</p> <p>### Resources - https://mantisbt.org/bugs/view.php?id=37103 - related advisory [GHSA-77x8-3v3h-hrhv](https://github.com/mantisbt/mantisbt/security/advisories/GHSA-77x8-3v3h-hrhv)</p> <p>### Credits McCaulay Hudson (@_McCaulay) of watchTowr</p> https://vulnerability.circl.lu/vuln/ghsa-vcrw-4xvv-jh49