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CVE Vulnerability Details :
CVE-2026-8857
PUBLISHED
More InfoOfficial Page
Assigner-wikimedia-foundation
Assigner Org ID-c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
View Known Exploited Vulnerability (KEV) details
Published At-01 Jul, 2026 | 15:08
Updated At-01 Jul, 2026 | 15:49
Rejected At-
▼CVE Numbering Authority (CNA)
Full RCE using EasyTimeline Extension

A vulnerability in Wikimedia Foundation timeline. This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php. This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.

Affected Products
Vendor
Wikimedia FoundationWikimedia Foundation
Product
timeline
Repo
https://gerrit.wikimedia.org/g/mediawiki/extensions/timeline/+/refs/heads/master
Program Files
  • scripts/EasyTimeline.pl
  • includes/Timeline.php
Default Status
unaffected
Versions
Affected
  • From * before 1.46.0, 1.45.4, 1.44.6, 1.43.9 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-94CWE-94
Type: CWE
CWE ID: CWE-94
Description: CWE-94
Metrics
VersionBase scoreBase severityVector
4.00.0NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 0.0
Base severity: NONE
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://phabricator.wikimedia.org/T426631
N/A
Hyperlink: https://phabricator.wikimedia.org/T426631
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found