CVE-2025-53501: Improper Access Control vulnerability in Wikimedia Foundation Mediawiki - Scribunto Extension allows : Accessi

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HIGH 8.8MITIGATE

CVE-2025-53501 is a high-severity flaw (CVSS 8.8) affecting scribunto. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Access Control vulnerability in Wikimedia Foundation Mediawiki - Scribunto Extension allows : Accessing Functionality Not Properly Constrained by Authorization.This issue affects Mediawiki - Scribunto Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-284
Published	2025-07-03
Last modified	2026-06-17

Publisher (CNA): wikimedia-foundation · Vendor: xtex

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

Am I affected?

Timeline

2025-07-03 17:15 UTCPublished CVE record published
2026-06-17 09:38 UTCUpdated Record last modified

xtex scribunto MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2025-53501?

scribunto: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-53501 being exploited?

CVE-2025-53501 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-2025-53501 affect?

CVE-2025-53501 affects scribunto. Severity is high (CVSS 8.8). Improper Access Control vulnerability in Wikimedia Foundation Mediawiki - Scribunto Extension allows : Accessing Functionality Not Properly Constrained by Authorization.This issue affects Mediawiki - Scribunto Extension: from 1.39.X before

How urgent is CVE-2025-53501?

Priority 44/100. High severity; Public exploit reference

Related CVEs

CVE-2026-34089 HIGH 7.5 UPGRADE Vulnerability in Wikimedia Foundation Scribunto. This issue affects Scribunto: from 1.45.0 before 1.45.2.

References

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