What is CVE-2023-22911?

CVE-2023-22911 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-10.

How severe is CVE-2023-22911?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mediawiki

CVE-2023-22911

An issue was discovered in MediaWiki before 1.35.9, 1.36.x through 1.38.x before 1.38.5, and 1.39.x before 1.39.1. E-Widgets does widget replacement in HTML attributes, which can lead to XSS, because widget authors often do not expect that their widget is executed in an HTML attribute context.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mediawiki — versions 1.39.0
Fedoraproject Fedora — versions 37
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2023-22911?: CVE-2023-22911 is a medium-severity vulnerability in Mediawiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-01-10.
How severe is CVE-2023-22911?: Medium severity. CVSS v3 base score is 6.1 out of 10.