6.1

CVE-2021-41798: fedoraproject fedora Cross-site Scripting

CVSS: 6.1v3.1MediumModified
AliasesUBUNTU-CVE-2021-41798DEBIAN-CVE-2021-41798
Published 11-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-41798 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in fedoraproject fedora. EPSS estimates a 1.44% chance of exploitation in the next 30 days, higher than 72.8% 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 (NVD)
EPSS score
1.44%
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 3
DLA-2779-1DSA-4979-1MGASA-2021-0477

Timeline

  1. 11-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

MediaWiki before 1.36.2 allows XSS. Month related MediaWiki messages are not escaped before being used on the Special:Search results page.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.44%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.44% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.44%

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

Debian1 product
  • mediawiki< 1:1.35.4-1
Fedoraproject1 product
Mediawiki1 product
Ubuntu1 product
  • mediawikiAll versions (No fix recorded)

4 vendors · 4 products

References

9 links