What’s Vulnerable › Vulnerabilities

CVE-2025-43861: ManageWiki Vulnerable to Self-XSS in review dialog via unsanitized field reflection

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-04-24 · updated 2026-06-17
• Weakness: CWE-79

Description

ManageWiki is a MediaWiki extension allowing users to manage wikis. Prior to commit 2f177dc, ManageWiki is vulnerable to reflected or stored XSS in the review dialog. A logged-in attacker must change a form field to include a malicious payload. If that same user then opens the "Review Changes" dialog, the payload will be rendered and executed in the context of their own session. This issue has been patched in commit 2f177dc.

Affected products

• miraheze ManageWiki: before 2025-04-24 — fixed in 2025-04-24

How to fix

Upgrade to a fixed version: miraheze ManageWiki 2025-04-24. Check the vendor advisory for mitigations.

References

• https://github.com/miraheze/ManageWiki/commit/2f177dc83b28b727613215b835d4036cb179e4ab
• https://github.com/miraheze/ManageWiki/security/advisories/GHSA-859x-46h8-vcrv

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