How severe is CVE-2025-12356?

CVE-2025-12356 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-2025-12356 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12356?

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

Does CVE-2025-12356 have an EU (EUVD) identifier?

Yes. CVE-2025-12356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207802.

When was CVE-2025-12356 published?

CVE-2025-12356 was published on 2026-02-18 and last updated on 2026-06-17.

CVE-2025-12356

CVE-2025-12356 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% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207802
Weakness: CWE-862
Published: 2026-02-18
Last modified: 2026-06-17

Description

The Tickera – Sell Tickets & Manage Events plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_change_ticket_status' AJAX endpoint in all versions up to, and including, 3.5.6.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update post/event statuses.

Frequently asked questions

What is CVE-2025-12356?: The Tickera – Sell Tickets & Manage Events plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'wp_ajax_change_ticket_status' AJAX endpoint in all versions up to, and including, 3.5.6.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update post/event statuses.
How severe is CVE-2025-12356?: CVE-2025-12356 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-2025-12356 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12356?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12356 have an EU (EUVD) identifier?: Yes. CVE-2025-12356 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207802.
When was CVE-2025-12356 published?: CVE-2025-12356 was published on 2026-02-18 and last updated on 2026-06-17.

References

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