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CVE-2026-18510— TranslatePress <= 3.2.6 - Unauthenticated Stored Cross-Site Scripting via Comment Content

Quick assessment

Affected
cozmoslabs TranslatePress – Translate Multilingual sites with AI Translation
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 TranslatePress – Translate Multilingual sites with AI Translation是WordPress基金会的一款支持AI翻译的网站多语言插件。 WordPress TranslatePress – Translate Multilingual sites with AI Translation 3.2.6及之前版本存在跨站脚本漏洞，该漏洞源于对评论内容（URL编码的gettext标记）的输入清理和输出转义不足，可能导致未经身份验证的攻击

CVSS 7.2 · High EPSS 0.40% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
cozmoslabs TranslatePress – Translate Multilingual sites with AI Translation ≤ 3.2.6 affected
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I. Basic Information for CVE-2026-18510

Vulnerability Information
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Vulnerability Title
TranslatePress <= 3.2.6 - Unauthenticated Stored Cross-Site Scripting via Comment Content
Source: CVE Program / CVE List V5
Vulnerability Description
The TranslatePress – Translate Multilingual sites with AI Translation plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content (URL-encoded gettext markers) in all versions up to, and including, 3.2.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Comment moderation may delay exploitation for first-time commenters, but does not prevent it, as the payload uses only WordPress-permitted tags and attributes with percent-encoded characters that pass wp_kses URL validation unmodified.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/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 TranslatePress – Translate Multilingual sites with AI Translation 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress TranslatePress – Translate Multilingual sites with AI Translation是WordPress基金会的一款支持AI翻译的网站多语言插件。 WordPress TranslatePress – Translate Multilingual sites with AI Translation 3.2.6及之前版本存在跨站脚本漏洞，该漏洞源于对评论内容（URL编码的gettext标记）的输入清理和输出转义不足，可能导致未经身份验证的攻击
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
cozmoslabs TranslatePress – Translate Multilingual sites with AI Translation 0 ~ 3.2.6 -

II. Public POCs for CVE-2026-18510

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III. Intelligence Information for CVE-2026-18510

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Patches & Fixes for CVE-2026-18510 (3)

News Coverage for CVE-2026-18510 (1)

IV. Related Vulnerabilities

Same product: TranslatePress – Translate Multilingual sites with AI Translation
Same vendor: cozmoslabs
Same weakness: CWE-79

V. Comments for CVE-2026-18510

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