CVE-2025-6726: CWE-862 Missing Authorization in krasenslavov Block Editor Gallery Slider for WordPress – Image Slider, Gallery Carousel & Lightbox Plugin
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.
AI Analysis
Technical Summary
The Block Editor Gallery Slider plugin for WordPress contains a missing authorization vulnerability (CWE-862) in the classic_gallery_slider_options() function. This flaw allows authenticated users with low privileges (Subscriber-level and above) to update limited post meta for arbitrary posts due to the absence of a capability check. The vulnerability affects all versions up to 1.1.1 and has a CVSS 3.1 base score of 4.3, indicating medium severity. No known exploits are reported in the wild, and no patch or official remediation guidance is currently available.
Potential Impact
Authenticated users with Subscriber-level access or higher can modify limited post metadata for arbitrary posts without proper authorization. This could lead to unauthorized data modification within the WordPress environment. There is no impact on confidentiality or availability reported. The overall impact is limited to integrity due to unauthorized data changes.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user roles to trusted users only and monitor for suspicious activity related to post metadata changes. Avoid granting Subscriber-level or higher access to untrusted users. Follow vendor channels for updates on patches or official mitigations.
CVE-2025-6726: CWE-862 Missing Authorization in krasenslavov Block Editor Gallery Slider for WordPress – Image Slider, Gallery Carousel & Lightbox Plugin
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Block Editor Gallery Slider plugin for WordPress contains a missing authorization vulnerability (CWE-862) in the classic_gallery_slider_options() function. This flaw allows authenticated users with low privileges (Subscriber-level and above) to update limited post meta for arbitrary posts due to the absence of a capability check. The vulnerability affects all versions up to 1.1.1 and has a CVSS 3.1 base score of 4.3, indicating medium severity. No known exploits are reported in the wild, and no patch or official remediation guidance is currently available.
Potential Impact
Authenticated users with Subscriber-level access or higher can modify limited post metadata for arbitrary posts without proper authorization. This could lead to unauthorized data modification within the WordPress environment. There is no impact on confidentiality or availability reported. The overall impact is limited to integrity due to unauthorized data changes.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict user roles to trusted users only and monitor for suspicious activity related to post metadata changes. Avoid granting Subscriber-level or higher access to untrusted users. Follow vendor channels for updates on patches or official mitigations.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2025-06-26T14:31:00.766Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6879dc21a83201eaacef6a16
Added to database: 7/18/2025, 5:31:13 AM
Last enriched: 4/9/2026, 5:47:15 PM
Last updated: 5/9/2026, 4:22:52 AM
Views: 167
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