How severe is CVE-2025-13756?

CVE-2025-13756 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-13756 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-13756?

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

Does CVE-2025-13756 have an EU (EUVD) identifier?

Yes. CVE-2025-13756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200975.

When was CVE-2025-13756 published?

CVE-2025-13756 was published on 2025-12-03 and last updated on 2026-06-17.

CVE-2025-13756

CVE-2025-13756 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-200975
Weakness: CWE-862
Published: 2025-12-03
Last modified: 2026-06-17

Description

The Fluent Booking plugin for WordPress is vulnerable to unauthorized calendar import and management due to a missing capability check on the "importCalendar" function in all versions up to, and including, 1.9.11. This makes it possible for authenticated attackers, with subscriber level access and above, to import arbitrary calendars and manage them.

Frequently asked questions

What is CVE-2025-13756?: The Fluent Booking plugin for WordPress is vulnerable to unauthorized calendar import and management due to a missing capability check on the "importCalendar" function in all versions up to, and including, 1.9.11. This makes it possible for authenticated attackers, with subscriber level access and above, to import arbitrary calendars and manage them.
How severe is CVE-2025-13756?: CVE-2025-13756 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-13756 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-13756?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-13756 have an EU (EUVD) identifier?: Yes. CVE-2025-13756 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-200975.
When was CVE-2025-13756 published?: CVE-2025-13756 was published on 2025-12-03 and last updated on 2026-06-17.

References

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