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CVE-2026-111122— SiteOrigin CSS <= 1.6.7 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Comment Anchor href via Visual Inspector

Quick assessment

Affected
gpriday SiteOrigin CSS
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 SiteOrigin CSS 插件在所有 1.6.7 及更早版本中，因输入清洗和输出转义不足，存在通过"href"参数触发的存储型 DOM 跨站脚本（Stored DOM-Based XSS）漏洞。该漏洞允许未认证的攻击者在页面中注入任意 Web 脚本，这些脚本会在用户访问被注入的页面时执行。成功利用此漏洞需要满足两个条件：恶意评论必须被批准，且管理员随后需打开“视觉检查器”（Visual Inspector）并点击攻击者植入的锚链接。在常规评论审核流程中，上述两种操作均属于合理且常见的交互

CVSS 7.2 · High EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1059.007 · JavaScript

Affected Version Matrix 1

VendorProduct Version RangeStatus
gpriday SiteOrigin CSS ≤ 1.6.7 affected
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I. Basic Information for CVE-2026-111122

Vulnerability Information
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Vulnerability Title
SiteOrigin CSS <= 1.6.7 - Unauthenticated Stored DOM-Based Cross-Site Scripting via Comment Anchor href via Visual Inspector
Source: CVE Program / CVE List V5
Vulnerability Description
The SiteOrigin CSS plugin for WordPress is vulnerable to Stored DOM-Based Cross-Site Scripting via the 'href' parameter in all versions up to, and including, 1.6.7 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. Successful exploitation requires the malicious comment to be approved and an administrator to subsequently open the Visual Inspector and click the attacker's anchor link, both of which are plausible interactions during routine comment triage.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
gpriday SiteOrigin CSS 0 ~ 1.6.7 -

II. Public POCs for CVE-2026-111122

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III. Intelligence Information for CVE-2026-111122

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Vendor Pages for CVE-2026-111122 (1)

Other References for CVE-2026-111122 (1)

IV. Related Vulnerabilities

Same product: SiteOrigin CSS
Same vendor: gpriday
Same weakness: CWE-79

V. Comments for CVE-2026-111122

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