How severe is CVE-2025-6726?

CVE-2025-6726 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-2025-6726 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6726?

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

Does CVE-2025-6726 have an EU (EUVD) identifier?

Yes. CVE-2025-6726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21851.

When was CVE-2025-6726 published?

CVE-2025-6726 was published on 2025-07-18 and last updated on 2026-06-17.

CVE-2025-6726

CVE-2025-6726 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% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21851
Weakness: CWE-862
Published: 2025-07-18
Last modified: 2026-06-17

Description

The Block Editor Gallery Slider plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the classic_gallery_slider_options() function in all versions up to, and including, 1.1.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update limited post meta for arbitrary posts.

Frequently asked questions

What is CVE-2025-6726?: The Block Editor Gallery Slider plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the classic_gallery_slider_options() function in all versions up to, and including, 1.1.1. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update limited post meta for arbitrary posts.
How severe is CVE-2025-6726?: CVE-2025-6726 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-2025-6726 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6726?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6726 have an EU (EUVD) identifier?: Yes. CVE-2025-6726 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21851.
When was CVE-2025-6726 published?: CVE-2025-6726 was published on 2025-07-18 and last updated on 2026-06-17.

References

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