CVE-2025-67476 Importing leaks IP address of importer via EventStreams

What is CVE-2025-67476?

CVE-2025-67476 is a low-severity vulnerability in Mediawiki Mediawiki, published on 3 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/ImportableOldRevisionImporter.Php.

This issue affects MediaWiki: from * before 1.44.3, 1.45.1.

Which versions are affected by CVE-2025-67476?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2025-67476?

No fix has been published for CVE-2025-67476 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-67476 being exploited?

There is no known exploitation of CVE-2025-67476 in the wild and no public exploit code.

Other vulnerabilities in Mediawiki Mediawiki

• CVE-2023-37303 Denial of service in n/a Critical 9.8
• CVE-2022-29904 SQL injection in n/a Critical 9.8
• CVE-2022-29906 Missing authorization in n/a Critical 9.8
• CVE-2022-28205 Business logic in n/a Critical 9.8
• CVE-2022-28206 Missing authorization in n/a Critical 9.8

All Mediawiki Mediawiki vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-5h67-qfvj-ggxp, UBUNTU-CVE-2025-67476.