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CVE-2026-15066— Loco Translate <= 2.8.7 - Authenticated (Translator+) Stored Cross-Site Scripting via PO File Extracted Comments

Quick assessment

Affected
timwhitlock Loco Translate
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 Loco Translate是WordPress基金会开源的一款网站主题与插件翻译工具。 WordPress Loco Translate 2.8.7及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致存储型跨站脚本，经过身份验证的攻击者可通过PO文件提取的注释注入任意Web脚本，当用户访问被注入页面时执行。

CVSS 6.4 · Medium EPSS 0.36% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
timwhitlock Loco Translate ≤ 2.8.7 affected
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I. Basic Information for CVE-2026-15066

Vulnerability Information
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Vulnerability Title
Loco Translate <= 2.8.7 - Authenticated (Translator+) Stored Cross-Site Scripting via PO File Extracted Comments
Source: CVE Program / CVE List V5
Vulnerability Description
The Loco Translate plugin for WordPress is vulnerable to Stored Cross-Site Scripting via PO File Extracted Comments in all versions up to, and including, 2.8.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with translator-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 Loco Translate 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Loco Translate是WordPress基金会开源的一款网站主题与插件翻译工具。 WordPress Loco Translate 2.8.7及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，可能导致存储型跨站脚本，经过身份验证的攻击者可通过PO文件提取的注释注入任意Web脚本，当用户访问被注入页面时执行。
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
timwhitlock Loco Translate 0 ~ 2.8.7 -

II. Public POCs for CVE-2026-15066

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III. Intelligence Information for CVE-2026-15066

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Patches & Fixes for CVE-2026-15066 (1)

IV. Related Vulnerabilities

Same product: Loco Translate
Same vendor: timwhitlock
Same weakness: CWE-79

V. Comments for CVE-2026-15066

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