6.5

CVE-2021-46148: mediawiki

CVSS: 6.5v3.1MediumModified
Published 07-01-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-46148 is a medium (CVSS 6.5) vulnerability in mediawiki. EPSS estimates a 1.18% chance of exploitation in the next 30 days, higher than 67.3% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.18%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 07-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Some unprivileged users can view confidential information (e.g., IP addresses and User-Agent headers for election traffic) on a testwiki SecurePoll instance.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.18%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

0.00 pp

From 1.18% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mediawiki1 product
  • mediawiki< 1.35.5 | ≥ 1.36.0, < 1.36.3 | ≥ 1.37.0, < 1.37.1

1 vendor · 1 product

References

3 links