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CVE-2026-9148— Comments <= 7.6.56 - Unauthenticated Stored Cross-Site Scripting via 'Website' Field

Quick assessment

Affected
advancedcoding Comments – wpDiscuz
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 Comments – wpDiscuz是WordPress基金会的一款基于 AJAX 的 WordPress 评论插件，通过实时评论、投票评分、社交登录、内联反馈等功能升级原生评论系统，可作为 Disqus 的本地化替代方案，将评论数据完全保留在自己的 WordPress 数据库中。 WordPress Comments – wpDiscuz 7.6.56及之前版本存在跨站脚本漏洞，该漏洞源于getCommentAuthor()函数输出转义不足，将存储的comment_author_u

CVSS 7.2 · High EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 1

VendorProduct Version RangeStatus
advancedcoding Comments – wpDiscuz ≤ 7.6.56 affected
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I. Basic Information for CVE-2026-9148

Vulnerability Information
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Vulnerability Title
Comments <= 7.6.56 - Unauthenticated Stored Cross-Site Scripting via 'Website' Field
Source: CVE Program / CVE List V5
Vulnerability Description
The Comments – wpDiscuz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the guest commenter 'Website' field in versions up to, and including, 7.6.56 This is due to insufficient output escaping in the getCommentAuthor() function, which interpolates the stored comment_author_url value directly into single-quoted HTML attributes without applying esc_url() or esc_attr(). This makes it possible for unauthenticated attackers 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: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 Comments – wpDiscuz 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Comments – wpDiscuz是WordPress基金会的一款基于 AJAX 的 WordPress 评论插件，通过实时评论、投票评分、社交登录、内联反馈等功能升级原生评论系统，可作为 Disqus 的本地化替代方案，将评论数据完全保留在自己的 WordPress 数据库中。 WordPress Comments – wpDiscuz 7.6.56及之前版本存在跨站脚本漏洞，该漏洞源于getCommentAuthor()函数输出转义不足，将存储的comment_author_u
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
advancedcoding Comments – wpDiscuz 0 ~ 7.6.56 -

II. Public POCs for CVE-2026-9148

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III. Intelligence Information for CVE-2026-9148

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Patches & Fixes for CVE-2026-9148 (5)

IV. Related Vulnerabilities

Same product: Comments – wpDiscuz
Same vendor: advancedcoding
Same weakness: CWE-79

V. Comments for CVE-2026-9148

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