How severe is CVE-2025-12563?

CVE-2025-12563 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-2025-12563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-12563?

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

Does CVE-2025-12563 have an EU (EUVD) identifier?

Yes. CVE-2025-12563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37974.

When was CVE-2025-12563 published?

CVE-2025-12563 was published on 2025-11-06 and last updated on 2026-06-17.

CVE-2025-12563

CVE-2025-12563 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% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37974
Weakness: CWE-862
Published: 2025-11-06
Last modified: 2026-06-17

Description

The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to limited file upload due to an incorrect capability check on theuploadVideo() function in all versions up to, and including, 8.6.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload mp4 files to the 'wp-content/uploads/<YYYY>/<MM>/' directory.

Frequently asked questions

What is CVE-2025-12563?: The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress is vulnerable to limited file upload due to an incorrect capability check on theuploadVideo() function in all versions up to, and including, 8.6.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload mp4 files to the 'wp-content/uploads/<YYYY>/<MM>/' directory.
How severe is CVE-2025-12563?: CVE-2025-12563 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-2025-12563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-12563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12563 have an EU (EUVD) identifier?: Yes. CVE-2025-12563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37974.
When was CVE-2025-12563 published?: CVE-2025-12563 was published on 2025-11-06 and last updated on 2026-06-17.

References

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