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CVE-2026-6640— Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via mla_link_attributes Parameter

Quick assessment

Affected
dglingren Media Library Assistant
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 的 Media Library Assistant 插件存在存储型跨站脚本（Stored Cross-Site Scripting）漏洞。该漏洞存在于 3.35 及更早的所有版本中，原因是输入过滤不足以及输出转义不当，具体体现在 'mla_link_attributes' 参数中。这使得拥有贡献者（contributor）及以上权限的认证攻击者能够向网页中注入任意的 Web 脚本，当用户访问被注入的页面时，这些脚本将会执行。

CVSS 6.4 · Medium

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-6640

Vulnerability Information
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Vulnerability Title
Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting via mla_link_attributes Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Media Library Assistant plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mla_link_attributes' parameter in all versions up to, and including, 3.35 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
dglingren Media Library Assistant 0 ~ 3.35 -

II. Public POCs for CVE-2026-6640

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III. Intelligence Information for CVE-2026-6640

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Vendor Pages for CVE-2026-6640 (2)

Other References for CVE-2026-6640 (2)

Same Patch Batch · dglingren · 2026-09-11 · 3 CVEs total

CVE-2026-6641 6.4 MEDIUM Media Library Assistant <= 3.35 - Authenticated (Contributor+) Stored Cross-Site Scripting
CVE-2026-6642 6.4 MEDIUM Media Library Assistant <= 3.35 - Authenticated (Author+) Stored Cross-Site Scripting via

IV. Related Vulnerabilities

Same product: Media Library Assistant
Same vendor: dglingren
Same weakness: CWE-79

V. Comments for CVE-2026-6640

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