CVE-2026-22713

Stored XSS through edit summaries in GrowthExperiments

MEDIUM
5.4
CVSS Score
Published: January 9, 2026 at 12:00 AM UTC
Updated: June 17, 2026 at 10:20 AM UTC
2 products affected across 2 vendorsGrowthexperimentsGrowthExperiments

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - GrowthExperiments Extension: 1.45, 1.44, 1.43, 1.39.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

ExploitIssue Tracking
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
https://phabricator.wikimedia.org/T411144

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-79

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