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CVE-2026-100196— LazyLoad Plugin <= 2.4.0 - Unauthenticated Stored Cross-Site Scripting via Comment Content

Quick assessment

Affected
wp_media LazyLoad Plugin – Lazy Load Images, Videos, and Iframes
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 LazyLoad 插件（Lazy Load Images, Videos, and Iframes）在 2.4.0 及更早版本中存在存储型跨站脚本漏洞（Stored Cross-Site Scripting）。该漏洞源于对 'comment_content' 参数（该参数以内联方式渲染至页面 HTML 中）的输入清理和输出转义不足。攻击者无需认证即可在页面中注入任意 Web 脚本，当其他用户访问被注入脚本的页面时，脚本将自动执行。 WordPress 核心函数 wp_kses_data 使用

CVSS 7.2 · High
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I. Basic Information for CVE-2026-100196

Vulnerability Information
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Vulnerability Title
LazyLoad Plugin <= 2.4.0 - Unauthenticated Stored Cross-Site Scripting via Comment Content
Source: CVE Program / CVE List V5
Vulnerability Description
The LazyLoad Plugin – Lazy Load Images, Videos, and Iframes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment_content (rendered inline into the page HTML)' parameter in all versions up to, and including, 2.4.0 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. WordPress core's wp_kses_data allow-list does not strip the crafted payload on save because it uses only permitted tags and attributes; the event handler is concealed inside a broken attribute region and is only promoted to a real DOM attribute by the plugin's render-time str_replace transformation. Additionally, a site administrator must approve the crafted comment before the payload is served to other visitors.
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
wp_media LazyLoad Plugin – Lazy Load Images, Videos, and Iframes 0 ~ 2.4.0 -

II. Public POCs for CVE-2026-100196

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III. Intelligence Information for CVE-2026-100196

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Patches & Fixes for CVE-2026-100196 (7)

News Coverage for CVE-2026-100196 (1)

Vendor Pages for CVE-2026-100196 (1)

IV. Related Vulnerabilities

Same vendor: wp_media
Same weakness: CWE-79

V. Comments for CVE-2026-100196

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