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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 5.0 | moin | 1.7.1-3+lenny1 | DTSA-187-1 |
| Debian 4.0 | moin | 1.5.3-1.2etch2 | DSA-1715-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | moin | < 1.8.2 | 1.8.2 | GHSA-cx94-3h5x-cc57 |
Advisories 2
- DSA-1715-1 moin - insufficient input sanitising Debian Security (DSA / DLA) · Mar 9, 2026
- DTSA-187-1 moin - insufficient input sanitising Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://hg.moinmo.in/moin/1.8/rev/89b91bf87dad
- 33755 third-party-advisory
- http://hg.moinmo.in/moin/1.7/rev/89b91bf87dad
- 33716 third-party-advisory
- 51632 vdb-entry
- http://moinmo.in/SecurityFixes#moin1.8.1
- [oss-security] 20090127 CVE Request: MoinMoin mailing-list
- DSA-1715 vendor-advisory
- USN-716-1 vendor-advisory
- moinmoin-antispam-xss(48306) vdb-entry