CVE-2016-7146

MoinMoin Cross-site Scripting (XSS) vulnerability

6.1 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

1.20%Unchanged since Feb 4, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2016-7146
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2016-7146
Updated: 2026-11-02

EUVDEUVD-2016-0018 No score

Record: EUVD-2016-0018
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fj26-q4vh-85f6 5.1

MoinMoin Cross-site Scripting (XSS) vulnerability

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.

Record: GHSA-fj26-q4vh-85f6
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-fj26-q4vh-85f6 5.1

MoinMoin Cross-site Scripting (XSS) vulnerability

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.

Record: GHSA-fj26-q4vh-85f6
CVSS 4.0: 5.1 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSVUBUNTU-CVE-2016-7146 6.1

Record: UBUNTU-CVE-2016-7146
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVPYSEC-2016-30 No score

Record: PYSEC-2016-30
Updated: 2026-11-02

OSVUSN-3137-1 No score

moin vulnerabilities

It was discovered that MoinMoin did not properly sanitize certain inputs, resulting in cross-site scripting (XSS) vulnerabilities. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data, within the same domain.

Record: USN-3137-1
Updated: 2026-11-02

Affected products

moinmo moinmoin

Affected packages

Affected packages
Package	Affected	Fixed
`moin` PyPI	1.9.8 to 1.9.8	1.9.9
`moin` Debian:7	before 1.9.4-8+deb7u3, plus listed versions 1.9.4-8+deb7u11.9.4-8+deb7u2	1.9.4-8+deb7u3
`moin` Debian:8	before 1.9.8-1+deb8u1, plus listed versions 1.9.8-1	1.9.8-1+deb8u1
`moin` PyPI	1.9.8 up to 1.9.9	1.9.9
`moin` PyPI	before 1.9.9, plus listed versions 1.8.41.8.51.8.61.8.71.9.0 Show 8 moreShow less 1.9.11.9.21.9.31.9.41.9.51.9.61.9.71.9.8	1.9.9
`moin` Ubuntu:14.04:LTS	before 1.9.7-1ubuntu2.1, plus listed versions 1.9.5-5ubuntu11.9.7-1ubuntu11.9.7-1ubuntu2	1.9.7-1ubuntu2.1
`moin` Ubuntu:16.04:LTS	before 1.9.8-1ubuntu1.16.04.1, plus listed versions 1.9.7-2ubuntu31.9.8-1ubuntu1	1.9.8-1ubuntu1.16.04.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2016-7146 is a medium vulnerability (CVSS 6.1) in Moinmo Moinmoin, published November 10, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.20%, the 68th percentile. Fixed in moin 1.9.9.

References

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