CVE-2020-15275

Name: CVE-2020-15275
Creator: NVD / NIST
Published: 2020-11-11T16:15:13.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.73%

Last modified Jun 17, 2026

CVE-2020-15275 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. EPSS estimates a 1.73% chance of exploitation in the next 30 days.

Description

MoinMoin is a wiki engine. In MoinMoin before version 1.9.11, an attacker with write permissions can upload an SVG file that contains malicious javascript. This javascript will be executed in a user's browser when the user is viewing that SVG file on the wiki. Users are strongly advised to upgrade to a patched version. MoinMoin Wiki 1.9.11 has the necessary fixes and also contains other important fixes.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.73%

74.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Moinmo	Moinmoin	< 1.9.11

References

https://advisory.checkmarx.net/advisory/CX-2020-4285Exploit, Third Party Advisory
https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2Patch, Third Party Advisory
https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11Release Notes, Third Party Advisory
https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43Third Party Advisory
https://advisory.checkmarx.net/advisory/CX-2020-4285Exploit, Third Party Advisory
https://github.com/moinwiki/moin-1.9/commit/31de9139d0aabc171e94032168399b4a0b2a88a2Patch, Third Party Advisory
https://github.com/moinwiki/moin-1.9/releases/tag/1.9.11Release Notes, Third Party Advisory
https://github.com/moinwiki/moin-1.9/security/advisories/GHSA-4q96-6xhq-ff43Third Party Advisory

Timeline

Published: Nov 11, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15275?

How severe is CVE-2020-15275?

CVE-2020-15275 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.73% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15275?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-15275?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST