6.1

CVE-2023-22911: fedoraproject fedora Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2023-22911
Published 10-01-2023Last modified 07-04-2025
Open JSON

Vulnerability summary

CVE-2023-22911 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fedoraproject fedora. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.57%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 1
MGASA-2023-0204

Timeline

  1. 10-01-2023
    PublishedVulnerability first disclosed.
  2. 07-04-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.57% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (phabricator.wikimedia.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Fedoraproject1 product
Mediawiki1 product
  • mediawikiEOL< 1.35.9 | ≥ 1.36.0, < 1.38.5 | 1.39.0 | 1.39.0:rc0 | 1.39.0:rc1
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

3 vendors · 3 products

References

4 links