Description
Multiple cross-site scripting (XSS) vulnerabilities in MoinMoin 1.7.3 and earlier, 1.8.x before 1.8.8, and 1.9.x before 1.9.3 allow remote attackers to inject arbitrary web script or HTML via crafted content, related to (1) Page.py, (2) PageEditor.py, (3) PageGraphicalEditor.py, (4) action/CopyPage.py, (5) action/Load.py, (6) action/RenamePage.py, (7) action/backup.py, (8) action/login.py, (9) action/newaccount.py, and (10) action/recoverpass.py.
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+lenny5 | DSA-2083-1 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | moin | <= 1.7.3 | — | GHSA-5m2m-27cg-7v4v |
| PyPI | moin | >= 1.8.0, < 1.8.8 | 1.8.8 | GHSA-5m2m-27cg-7v4v |
| PyPI | moin | >= 1.9.0, < 1.9.3 | 1.9.3 | GHSA-5m2m-27cg-7v4v |
| PyPI | moin | >= 1.8, < 1.8.8 · >= 1.9, < 1.9.3 | 1.8.8, 1.9.3 | PYSEC-2010-16 |
Advisories 1
- DSA-2083-1 moin - cross-site scripting Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://hg.moinmo.in/moin/1.8/rev/4238b0c90871
- ADV-2010-1981 vdb-entry
- http://moinmo.in/MoinMoinRelease1.9
- http://moinmo.in/SecurityFixes
- 40549 vdb-entry
- http://hg.moinmo.in/moin/1.9/rev/68ba3cc79513
- DSA-2083 vendor-advisory
- http://hg.moinmo.in/moin/1.9/rev/e50b087c4572
- http://moinmo.in/MoinMoinRelease1.8
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=584809
- [oss-security] 20100701 CVE request: moin multiple XSS mailing-list
- [oss-security] 20100702 Re: CVE request: moin multiple XSS mailing-list
- http://hg.moinmo.in/moin/1.8/raw-file/1.8.8/docs/CHANGES
- http://hg.moinmo.in/moin/1.9/raw-file/1.9.3/docs/CHANGES
- http://hg.moinmo.in/moin/1.7/rev/37306fba2189
- 40836 third-party-advisory
- http://moinmo.in/MoinMoinBugs/1.9.2UnescapedInputForThemeAddMsg