How severe is CVE-2025-53494?

CVE-2025-53494 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-53494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-53494?

CVE-2025-53494 affects Wmde-fisch Twocolconflict. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-53494?

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

Does CVE-2025-53494 have an EU (EUVD) identifier?

Yes. CVE-2025-53494 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19713.

When was CVE-2025-53494 published?

CVE-2025-53494 was published on 2025-07-02 and last updated on 2026-06-17.

CVE-2025-53494

CVE-2025-53494 is a medium-severity vulnerability in Wmde-fisch Twocolconflict with a CVSS 3.x base score of 6.5. 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 6.5)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-19713
Weakness: CWE-79
Affected product: Wmde-fisch Twocolconflict
Published: 2025-07-02
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Frequently asked questions

What is CVE-2025-53494?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
How severe is CVE-2025-53494?: CVE-2025-53494 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-53494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-53494?: CVE-2025-53494 affects Wmde-fisch Twocolconflict. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-53494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53494 have an EU (EUVD) identifier?: Yes. CVE-2025-53494 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19713.
When was CVE-2025-53494 published?: CVE-2025-53494 was published on 2025-07-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wmde-fisch:twocolconflict:*:*:*:*:*:mediawiki:*:*

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