How severe is CVE-2025-53496?

CVE-2025-53496 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-2025-53496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-53496?

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

Does CVE-2025-53496 have an EU (EUVD) identifier?

Yes. CVE-2025-53496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20308.

When was CVE-2025-53496 published?

CVE-2025-53496 was published on 2025-07-07 and last updated on 2026-06-17.

CVE-2025-53496

CVE-2025-53496 is a medium-severity vulnerability 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% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-20308
Weakness: CWE-79
Published: 2025-07-07
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2025-53496?: Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MediaSearch Extension allows Stored XSS.This issue affects Mediawiki - MediaSearch Extension: from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
How severe is CVE-2025-53496?: CVE-2025-53496 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-2025-53496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-53496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-53496 have an EU (EUVD) identifier?: Yes. CVE-2025-53496 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20308.
When was CVE-2025-53496 published?: CVE-2025-53496 was published on 2025-07-07 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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