How severe is CVE-2024-23178?

CVE-2024-23178 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-23178 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23178?

CVE-2024-23178 affects Mediawiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23178?

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

Does CVE-2024-23178 have an EU (EUVD) identifier?

Yes. CVE-2024-23178 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20697.

When was CVE-2024-23178 published?

CVE-2024-23178 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2024-23178

CVE-2024-23178 is a medium-severity vulnerability in Mediawiki with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20697
Weakness: CWE-79
Affected product: Mediawiki
Published: 2024-01-12
Last modified: 2026-06-17

Description

An issue was discovered in the Phonos extension in MediaWiki before 1.40.2. PhonosButton.js allows i18n-based XSS via the phonos-purge-needed-error message.

Frequently asked questions

What is CVE-2024-23178?: An issue was discovered in the Phonos extension in MediaWiki before 1.40.2. PhonosButton.js allows i18n-based XSS via the phonos-purge-needed-error message.
How severe is CVE-2024-23178?: CVE-2024-23178 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-23178 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23178?: CVE-2024-23178 affects Mediawiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23178?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23178 have an EU (EUVD) identifier?: Yes. CVE-2024-23178 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20697.
When was CVE-2024-23178 published?: CVE-2024-23178 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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