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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 Media Library Assistant是WordPress基金会的一个媒体库管理助手。 WordPress Media Library Assistant 3.35及之前版本存在跨站脚本漏洞，该漏洞源于对mla_link_attributes参数的输入清理和输出转义不当，可能导致具有贡献者及以上权限的经过身份验证的攻击者注入任意Web脚本。

CVSS 6.4 · Medium EPSS 0.42% · P36

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 1

VendorProduct Version RangeStatus
dglingren Media Library Assistant ≤ 3.35 affected
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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
Vulnerability Title
WordPress Media Library Assistant 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Media Library Assistant是WordPress基金会的一个媒体库管理助手。 WordPress Media Library Assistant 3.35及之前版本存在跨站脚本漏洞，该漏洞源于对mla_link_attributes参数的输入清理和输出转义不当，可能导致具有贡献者及以上权限的经过身份验证的攻击者注入任意Web脚本。
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
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)

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