How severe is CVE-2024-47845?

CVE-2024-47845 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2024-47845 being actively exploited?

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

What products are affected by CVE-2024-47845?

CVE-2024-47845 affects Wikimedia Wikimedia-extensions-css. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-47845?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-47845 have an EU (EUVD) identifier?

Yes. CVE-2024-47845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42707.

When was CVE-2024-47845 published?

CVE-2024-47845 was published on 2024-10-05 and last updated on 2026-06-17.

CVE-2024-47845

CVE-2024-47845 is a high-severity vulnerability in Wikimedia Wikimedia-extensions-css with a CVSS 3.x base score of 8.2. 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-116.

Key facts

Severity: High (CVSS 3.x base score 8.2)
CVSS v4: 6.9
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-42707
Weakness: CWE-116
Affected product: Wikimedia Wikimedia-extensions-css
Published: 2024-10-05
Last modified: 2026-06-17

Description

Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.

Frequently asked questions

What is CVE-2024-47845?: Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.
How severe is CVE-2024-47845?: CVE-2024-47845 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2024-47845 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-47845?: CVE-2024-47845 affects Wikimedia Wikimedia-extensions-css. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-47845?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-47845 have an EU (EUVD) identifier?: Yes. CVE-2024-47845 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-42707.
When was CVE-2024-47845 published?: CVE-2024-47845 was published on 2024-10-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wikimedia:wikimedia-extensions-css:*:*:*:*:*:*:*:*

More vulnerabilities in Wikimedia Wikimedia-extensions-css

CVE-2024-47841 — High (CVSS 7.5): Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in The Wikimedia…

All CVEs affecting Wikimedia Wikimedia-extensions-css →

Other CWE-116 vulnerabilities

CVE-2025-55730 — Critical (CVSS 10.0): XWiki Remote Macros provides XWiki rendering macros that are useful when migrating content from Confluence. Starting in…
CVE-2025-55729 — Critical (CVSS 10.0): XWiki Remote Macros provides XWiki rendering macros that are useful when migrating content from Confluence. Starting in…
CVE-2023-47143 — Critical (CVSS 10.0): IBM Tivoli Application Dependency Discovery Manager 7.3.0.0 through 7.3.0.10 is vulnerable to HTTP header injection,…
CVE-2023-26472 — Critical (CVSS 9.9): XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with…
CVE-2022-41934 — Critical (CVSS 9.9): XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with…
CVE-2022-36100 — Critical (CVSS 9.9): XWiki Platform Applications Tag and XWiki Platform Tag UI are tag applications for XWiki, a generic wiki platform.…

Browse all CWE-116 vulnerabilities →