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Fencer Vulns
medium 4.3

CVE-2009-0312 json

MoinMoin Cross-site scripting (XSS) vulnerability in the antispam feature

published 2009-01-28 17 y ago modified 2026-07-06 4 mo ago also GHSA-cx94-3h5x-cc57 , PYSEC-2026-676 , EUVD-2022-3659

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 83%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi moin 1.8.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-0312 updated

moin: XSS issue in antispam

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.37% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
pypi moin
<1.8.2
1.8.2

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.