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GHSA-73vx-49mv-v8w5medium6.1

MantisBT has Stored HTML Injection/XSS when displaying Tags in Timeline

Impact

Improper escaping of tag names retrieved from History in Timeline (my_view_page.php) allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript, when displaying a tag that has been renamed or deleted.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

mantisbt/mantisbt Packagist
Affected rangeRecorded fix
From 2.28.0 before 2.28.2Ecosystem versions2.28.2

Version evidence: OSV · GHSA-73vx-49mv-v8w5

View original version evidence (2 explicit versions)

Original source description

Improper escaping of tag names retrieved from History in Timeline (my_view_page.php) allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript, when displaying a tag that has been renamed or deleted.

Impact

Cross-site scripting (XSS).

Patches

f32787c14d4518476fe7f05f992dbfe6eaccd815

Workarounds

  • Edit offending History entries (using SQL)
  • Wrap $this->tag_name in a string_html_specialchars() call in IssueTagTimelineEvent::html()

Credits

MantisBT thanks Vishal Shukla for discovering and responsibly reporting the issue.

References