CVE-2021-3137

Name: CVE-2021-3137
Creator: NVD / NIST
Published: 2021-01-20T04:15:13.17+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.73%

Last modified Jun 17, 2026

CVE-2021-3137 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. XWiki 12.10.2 allows XSS via an SVG document to the upload feature of the comment section.. EPSS estimates a 0.73% chance of exploitation in the next 30 days.

Description

XWiki 12.10.2 allows XSS via an SVG document to the upload feature of the comment section.

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

0.73%

49.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	12.10.2

References

https://www.exploit-db.com/exploits/49437Exploit, Third Party Advisory, VDB Entry
https://www.exploit-db.com/exploits/49437Exploit, Third Party Advisory, VDB Entry

Timeline

Published: Jan 20, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3137?

XWiki 12.10.2 allows XSS via an SVG document to the upload feature of the comment section.

How severe is CVE-2021-3137?

CVE-2021-3137 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.73% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3137?

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-2021-3137?

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

Scan your code now

Source: NVD / NIST