漏洞信息
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Vulnerability Title
EWWW Image Optimizer <= 8.7.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content
Vulnerability Description
The EWWW Image Optimizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content in all versions up to, and including, 8.7.3 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. The exploit is achieved by embedding a crafted img element with class='lazyload' and a data-script attribute pointing to an attacker-controlled URL in post content, which the plugin's bundled lazysizes ls.unveilhooks addon then uses to dynamically create and insert a script element into the DOM at page view time.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
Shane Bishop EWWW Image Optimizer 跨站脚本漏洞
Vulnerability Description
Shane Bishop EWWW Image Optimizer是Shane Bishop个人开发者的一款图片优化插件。 Shane Bishop EWWW Image Optimizer 8.7.3及之前版本存在跨站脚本漏洞,该漏洞源于对文章内容中'data-script' Lazy Load属性输入清理和输出转义不足,可能导致具有贡献者及以上权限的已认证攻击者注入任意Web脚本,当用户访问被注入页面时执行。
CVSS Information
N/A
Vulnerability Type
N/A