CVE-2025-43861: ManageWiki is a MediaWiki extension allowing users to manage wikis

Q: How do I fix CVE-2025-43861?

managewiki: upgrade to 2025-04-24. Exact commands for each OS are on this page.

Q: Is CVE-2025-43861 being exploited?

CVE-2025-43861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-43861 affect?

CVE-2025-43861 affects managewiki. Severity is medium (CVSS 4.4). 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 payl

Q: How urgent is CVE-2025-43861?

Priority 25/100. Public exploit reference

Routine

MEDIUM 4.4UPGRADE

CVE-2025-43861 is a medium-severity flaw (CVSS 4.4) affecting managewiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-04-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: miraheze

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-24 21:15 UTCPublished CVE record published
2026-06-17 09:24 UTCUpdated Record last modified

miraheze managewiki UPGRADE

Affected: < 2025-04-24

Fixed in: 2025-04-24

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy managewiki || rpm -q managewiki || managewiki --version

2. UPGRADE to 2025-04-24 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade managewiki

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade managewiki

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-43861?

managewiki: upgrade to 2025-04-24. Exact commands for each OS are on this page.

Is CVE-2025-43861 being exploited?

CVE-2025-43861 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-43861 affect?

CVE-2025-43861 affects managewiki. Severity is medium (CVSS 4.4). 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 payl

How urgent is CVE-2025-43861?

Priority 25/100. Public exploit reference

Related CVEs

CVE-2025-32964 MEDIUM 4.6 UPGRADE ManageWiki is a MediaWiki extension allowing users to manage wikis
CVE-2025-32956 HIGH 8.0 UPGRADE ManageWiki is a MediaWiki extension allowing users to manage wikis

References

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