How severe is CVE-2025-65091?

CVE-2025-65091 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-65091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65091?

CVE-2025-65091 affects Xwiki Full Calendar Macro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65091?

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

Does CVE-2025-65091 have an EU (EUVD) identifier?

Yes. CVE-2025-65091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1699.

When was CVE-2025-65091 published?

CVE-2025-65091 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2025-65091

CVE-2025-65091 is a critical-severity vulnerability in Xwiki Full Calendar Macro with a CVSS 3.x base score of 10.0. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 10.0)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1699
Weakness: CWE-89
Affected product: Xwiki Full Calendar Macro
Published: 2026-01-10
Last modified: 2026-06-17

Description

XWiki Full Calendar Macro displays objects from the wiki on the calendar. Prior to version 2.4.5, users with the right to view the Calendar.JSONService page (including guest users) can exploit a SQL injection vulnerability by accessing database info or starting a DoS attack. This issue has been patched in version 2.4.5.

Frequently asked questions

What is CVE-2025-65091?: XWiki Full Calendar Macro displays objects from the wiki on the calendar. Prior to version 2.4.5, users with the right to view the Calendar.JSONService page (including guest users) can exploit a SQL injection vulnerability by accessing database info or starting a DoS attack. This issue has been patched in version 2.4.5.
How severe is CVE-2025-65091?: CVE-2025-65091 has a CVSS 3.x base score of 10.0, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-65091 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65091?: CVE-2025-65091 affects Xwiki Full Calendar Macro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65091?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-65091 have an EU (EUVD) identifier?: Yes. CVE-2025-65091 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1699.
When was CVE-2025-65091 published?: CVE-2025-65091 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:xwiki:full_calendar_macro:*:*:*:*:*:xwiki:*:*

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