What’s Vulnerable › Vulnerabilities

CVE-2019-15539

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-03-19 · updated 2026-06-17
• Weakness: CWE-79

Description

The proj_doc_edit_page.php Project Documentation feature in MantisBT before 2.21.3 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed when editing the document's page.

Affected products

• mantisbt: before 2.21.3 — fixed in 2.21.3

How to fix

Upgrade to a fixed version: mantisbt 2.21.3. Check the vendor advisory for mitigations.

References

• https://github.com/mantisbt/mantisbt/commit/bd094dede74ff6e313e286e949e2387233a96eea
• https://mantisbt.org/bugs/view.php?id=26078
• https://github.com/mantisbt/mantisbt/commit/bd094dede74ff6e313e286e949e2387233a96eea
• https://mantisbt.org/bugs/view.php?id=26078

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