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CVE-2025-6726— Block Editor Gallery Slider <= 1.1.1 - Missing Authorization to Authenticated (Subscriber+) Limited Post Meta Update

Quick assessment

Affected
krasenslavov Block Editor Gallery Slider for WordPress – Image Slider, Gallery Carousel & Lightbox Plugin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Block Editor Gallery Slider 1.1.1及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致订阅者级别及以上攻击者修改任意文章元数据。

CVSS 4.3 · Medium EPSS 0.23% · P14
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I. Basic Information for CVE-2025-6726

Vulnerability Information
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Vulnerability Title
Block Editor Gallery Slider <= 1.1.1 - Missing Authorization to Authenticated (Subscriber+) Limited Post Meta Update
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Block Editor Gallery Slider 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Block Editor Gallery Slider 1.1.1及之前版本存在安全漏洞，该漏洞源于缺少能力检查，可能导致订阅者级别及以上攻击者修改任意文章元数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
krasenslavov Block Editor Gallery Slider * ~ 1.1.1 -

II. Public POCs for CVE-2025-6726

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III. Intelligence Information for CVE-2025-6726

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IV. Related Vulnerabilities

Same vendor: krasenslavov
Same weakness: CWE-862

V. Comments for CVE-2025-6726

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