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CVE-2026-92767— Twenty20 Image Before-After <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'offset' Shortcode Attribute

Quick assessment

Affected
zayedbaloch Twenty20 Image Before-After
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 Twenty20 Image Before-After 插件在所有包含 2.0.5 版本及更早的版本中存在安全漏洞，该漏洞源于对 'offset' 短代码属性的输入清理和输出转义处理不足，导致存储型跨站脚本攻击（Stored Cross-Site Scripting, XSS）的可能性。这使得具有贡献者（contributor）级别及以上权限的攻击者能够在页面上注入任意 Web 脚本，每当有用户访问被注入恶意脚本的页面时，这些脚本就会被执行。

CVSS 6.4 · Medium
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I. Basic Information for CVE-2026-92767

Vulnerability Information
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Vulnerability Title
Twenty20 Image Before-After <= 2.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'offset' Shortcode Attribute
Source: CVE Program / CVE List V5
Vulnerability Description
The Twenty20 Image Before-After plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'offset' Shortcode Attribute in all versions up to, and including, 2.0.5 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

Affected Products

Vendor Product Affected Versions CPE Subscribe
zayedbaloch Twenty20 Image Before-After 0 ~ 2.0.5 -

II. Public POCs for CVE-2026-92767

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III. Intelligence Information for CVE-2026-92767

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Other References for CVE-2026-92767 (5)

IV. Related Vulnerabilities

Same product: Twenty20 Image Before-After
Same vendor: zayedbaloch
Same weakness: CWE-79

V. Comments for CVE-2026-92767

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