How severe is CVE-2024-23179?

CVE-2024-23179 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-23179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23179?

CVE-2024-23179 affects Mediawiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23179?

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

Does CVE-2024-23179 have an EU (EUVD) identifier?

Yes. CVE-2024-23179 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20698.

When was CVE-2024-23179 published?

CVE-2024-23179 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2024-23179

CVE-2024-23179 is a medium-severity vulnerability in Mediawiki with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20698
Weakness: CWE-79
Affected product: Mediawiki
Published: 2024-01-12
Last modified: 2026-06-17

Description

An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.

Frequently asked questions

What is CVE-2024-23179?: An issue was discovered in the GlobalBlocking extension in MediaWiki before 1.40.2. For a Special:GlobalBlock?uselang=x-xss URI, i18n-based XSS can occur via the parentheses message. This affects subtitle links in buildSubtitleLinks.
How severe is CVE-2024-23179?: CVE-2024-23179 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-23179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23179?: CVE-2024-23179 affects Mediawiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23179 have an EU (EUVD) identifier?: Yes. CVE-2024-23179 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20698.
When was CVE-2024-23179 published?: CVE-2024-23179 was published on 2024-01-12 and last updated on 2026-06-17.

References

Affected products (1)

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

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