6.5

CVE-2016-6336: mediawiki Improper Access Control

CVSS: 6.5v3.0MediumModified
AliasesDEBIAN-CVE-2016-6336
Published 20-04-2017Last modified 06-08-2024

Vulnerability summary

CVE-2016-6336 is a medium (CVSS 6.5) Improper Access Control vulnerability in mediawiki. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61.2% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
0.96%
0%100%
Low · -0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 20-04-2017
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote authenticated users with undelete permissions to bypass intended suppressrevision and deleterevision restrictions and remove the revision deletion status of arbitrary file revisions by using Special:Undelete.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.96%

Chance of exploitation in the next 30 days

Percentile

61%

Versus all other CVEs

30-day change

-0.08 pp

From 1.04% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.96%

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

Debian1 product
  • mediawiki< 1:1.27.1-1
Mediawiki1 product
  • mediawiki≤ 1.23.14 | 1.26.0 | 1.26.1 | 1.26.2 | 1.26.3 | 1.26.4 | 1.27.0

2 vendors · 2 products

References

4 links