CVE-2016-7146 json
MoinMoin Cross-site Scripting (XSS) vulnerability
published 2016-11-10 9 y ago modified 2026-06-17 4 mo ago also GHSA-fj26-q4vh-85f6 , PYSEC-2016-30 , EUVD-2016-0018
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
MoinMoin 1.9.8 allows remote attackers to conduct "JavaScript injection" attacks by using the "page creation or crafted URL" approach, related to a "Cross Site Scripting (XSS)" issue affecting the action=fckdialog&dialog=attachment (via page name) component.
Patch / fix
- pypi moin 1.9.9
- moin Ubuntu 14.04 LTS 1.9.7-1ubuntu2.1
- moin Ubuntu 16.04 LTS 1.9.8-1ubuntu1.16.04.1
ubuntu advisories UBUNTU-CVE-2016-7146
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
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-2016-7146 updated cvss 5.3
moin: Javascript injection via page creation
-
Red Hat All currently supported Red Hat productsnot 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
1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- curesec.com https://www.curesec.com/blog/article/blog/MoinMoin-198-XSS-175.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | moin | >=1.9.8, <1.9.9 <1.9.9 |
1.9.9 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
curesec.com
/blog/article/blog/MoinMoin-198-XSS-175.html
exploit, third-party-advisory, article
-
ubuntu.com
/usn/USN-3137-1
vendor-advisory, web, advisory
-
debian.org
/security/2016/dsa-3715
vendor-advisory, web, advisory
-
securityfocus.com
/bid/94259
vdb-entry, web
-
nvd.nist.gov
/vuln/detail/CVE-2016-7146
advisory
-
github.com
/moinwiki/moin
package
-
github.com
/pypa/advisory-database/tree/main/vulns/moin/PYSEC-2016-30.yaml
web
-
web.archive.org
/web/20200227212542/http://www.securityfocus.com/bid/94259
web
-
web.archive.org
/web/20200426045730/https://www.curesec.com/blog/article/blog/MoinMoin-198-XSS-175.html
web
-
github.com
/advisories/GHSA-fj26-q4vh-85f6
advisory
Sources
- CVE List CVE-2016-7146
- GitHub Advisory GHSA-fj26-q4vh-85f6
- NVD CVE-2016-7146
- OSV PYSEC-2016-30
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.