What’s Vulnerable › Vulnerabilities

CVE-2025-53481: Denial of service vector on ipinfo/v0/norevision

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-04 · updated 2026-06-17
• Weakness: CWE-400

Description

Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension allows Excessive Allocation.This issue affects Mediawiki - IPInfo Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Affected products

• Wikimedia Foundation Mediawiki - IPInfo Extension: from 1.39.x before 1.39.13; from 1.42.x before 1.42.7; from 1.43.x before 1.43.2 — fixed in 1.39.13, 1.42.7, 1.43.2

How to fix

Upgrade to a fixed version: Wikimedia Foundation Mediawiki - IPInfo Extension 1.39.13, 1.42.7, 1.43.2. Check the vendor advisory for mitigations.

References

• https://gerrit.wikimedia.org/r/q/I08a7154f8fa08bb6f0940e522075bdc2a3d4433f
• https://gerrit.wikimedia.org/r/q/I474b7a1b3bc1e7597fee0826a18a0cf042359f0f
• https://phabricator.wikimedia.org/T392976

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