How severe is CVE-2024-40603?

CVE-2024-40603 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2024-40603 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-40603?

CVE-2024-40603 affects Mediawiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-40603?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-40603 have an EU (EUVD) identifier?

Yes. CVE-2024-40603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38539.

When was CVE-2024-40603 published?

CVE-2024-40603 was published on 2024-07-07 and last updated on 2026-06-17.

CVE-2024-40603

CVE-2024-40603 is a medium-severity vulnerability in Mediawiki with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-38539
Weakness: CWE-352
Affected product: Mediawiki
Published: 2024-07-07
Last modified: 2026-06-17

Description

An issue was discovered in the ArticleRatings extension for MediaWiki through 1.42.1. Special:ChangeRating allows CSRF to alter data via a GET request.

Frequently asked questions

What is CVE-2024-40603?: An issue was discovered in the ArticleRatings extension for MediaWiki through 1.42.1. Special:ChangeRating allows CSRF to alter data via a GET request.
How severe is CVE-2024-40603?: CVE-2024-40603 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2024-40603 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-40603?: CVE-2024-40603 affects Mediawiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-40603?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-40603 have an EU (EUVD) identifier?: Yes. CVE-2024-40603 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-38539.
When was CVE-2024-40603 published?: CVE-2024-40603 was published on 2024-07-07 and last updated on 2026-06-17.

References

https://phabricator.wikimedia.org/T363884

Affected products (1)

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

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