How severe is CVE-2025-32077?

CVE-2025-32077 has a CVSS 4.0 base score of 6.9, rated medium severity.

Is CVE-2025-32077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-32077?

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

Does CVE-2025-32077 have an EU (EUVD) identifier?

Yes. CVE-2025-32077 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10814.

When was CVE-2025-32077 published?

CVE-2025-32077 was published on 2025-04-11 and last updated on 2026-06-17.

CVE-2025-32077

CVE-2025-32077 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.9. 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-20.

Key facts

Severity: Medium (CVSS 4.0 base score 6.9)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10814
Weakness: CWE-20
Published: 2025-04-11
Last modified: 2026-06-17

Description

Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Extension:SimpleCalendar allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Extension:SimpleCalendar: from 1.39 through 1.43.

Frequently asked questions

What is CVE-2025-32077?: Improper Input Validation vulnerability in The Wikimedia Foundation Mediawiki - Extension:SimpleCalendar allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Extension:SimpleCalendar: from 1.39 through 1.43.
How severe is CVE-2025-32077?: CVE-2025-32077 has a CVSS 4.0 base score of 6.9, rated medium severity.
Is CVE-2025-32077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-32077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-32077 have an EU (EUVD) identifier?: Yes. CVE-2025-32077 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10814.
When was CVE-2025-32077 published?: CVE-2025-32077 was published on 2025-04-11 and last updated on 2026-06-17.

References

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