CVE-2021-36130

Name: CVE-2021-36130
Creator: NVD / NIST
Published: 2021-07-02T13:15:07.897+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2021-36130 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. An XSS issue was discovered in the SocialProfile extension in MediaWiki through 1.36. Within several gift-related special pages, a privileged user with the awardmanage right could inject arbitrary HTML and JavaScript within various gift-related data fields. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

An XSS issue was discovered in the SocialProfile extension in MediaWiki through 1.36. Within several gift-related special pages, a privileged user with the awardmanage right could inject arbitrary HTML and JavaScript within various gift-related data fields. The attack could easily propagate across many pages for many users.

Metrics

CVSS 3.1

4.8/10

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

EPSS Probability

0.55%

41.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	<= 1.36

References

https://gerrit.wikimedia.org/r/q/Id915eba45497a1a0dc1c4e00818a2fd4c0ce55d3Patch, Vendor Advisory
https://phabricator.wikimedia.org/T281043Exploit, Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/q/Id915eba45497a1a0dc1c4e00818a2fd4c0ce55d3Patch, Vendor Advisory
https://phabricator.wikimedia.org/T281043Exploit, Patch, Vendor Advisory

Timeline

Published: Jul 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36130?

How severe is CVE-2021-36130?

CVE-2021-36130 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36130?

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-2021-36130?

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

Scan your code now

Source: NVD / NIST