CVE-2025-62694Public exploitNetwork attack vector

Stored XSS via unsanitized system-message URL

Published Oct 21, 2025 · Updated Oct 21, 2025

Stored XSS in WikiLove 1.39 allows remote authenticated users to execute script in visitors' browsers through a crafted system-message URL. The ext.wikiLove.core.js path assigns the wikilove-what-is-this-link message directly to an anchor href without restricting its URL scheme. Exploitation requires editinterface access to alter that message and a visitor to open the WikiLove dialog and activate the link.

CVSS severity6.9
Medium
EPSS probability0.35%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in WikiLove 1.39 allows remote authenticated users to execute script in visitors' browsers through a crafted system-message URL. The ext.wikiLove.core.js path assigns the wikilove-what-is-this-link message directly to an anchor href without restricting its URL scheme. Exploitation requires editinterface access to alter that message and a visitor to open the WikiLove dialog and activate the link.

The record

CVE
CVE-2025-62694
Published
Oct 21, 2025
Updated
Oct 21, 2025
Vendor
Wikimedia Foundation
Product
WikiLove
Classifications
CWE-79, CAPEC-592, T1203
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Oct 21, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.39

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Wikimedia Foundation · WikiLoveversion=1.39

Published CVSS scores

6.9Wikimedia FoundationCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-592Stored XSS
T1203Exploitation for Client Execution

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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