---
id: CVE-2009-0312
aliases:
  - GHSA-cx94-3h5x-cc57
  - PYSEC-2026-676
title: MoinMoin Cross-site scripting (XSS) vulnerability in the antispam feature
summary: MoinMoin Cross-site scripting (XSS) vulnerability in the antispam feature
severity: medium
vendor: moin
product: moin
ecosystem: pip
affected:
  - moin < 1.8.2
patched:
  - moin 1.8.2
published: '2022-05-02'
updated: '2026-07-06'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-cx94-3h5x-cc57'
references:
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2009-0312'
  - url: 'https://exchange.xforce.ibmcloud.com/vulnerabilities/48306'
  - url: 'https://usn.ubuntu.com/716-1'
  - url: >-
      https://web.archive.org/web/20090323075215/http://hg.moinmo.in/moin/1.8/raw-file/1.8.2/docs/CHANGES
  - url: >-
      https://web.archive.org/web/20100825000634/http://hg.moinmo.in/moin/1.7/rev/89b91bf87dad
  - url: >-
      https://web.archive.org/web/20200228151935/http://hg.moinmo.in/moin/1.8/rev/89b91bf87dad
  - url: 'https://www.debian.org/security/2009/dsa-1715'
  - url: 'http://moinmo.in/SecurityFixes#moin1.8.1'
  - url: 'http://osvdb.org/51632'
  - url: 'http://secunia.com/advisories/33716'
  - url: 'http://secunia.com/advisories/33755'
  - url: 'http://www.openwall.com/lists/oss-security/2009/01/27/4'
tags:
  - osv
  - pip
epss: 0.02365
epssPercentile: 0.8305
ingestedAt: '2026-07-08T18:25:48.609Z'
---

## Overview

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.

## Affected packages

- `moin < 1.8.2`

## Remediation

Upgrade to a patched release:

- `moin 1.8.2`