'; } else{ echo ''; } echo '
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Release Date:2025/10/27
Rule Name:Detect XSS Injection with CSS
Severity:high
CVE ID:
| Descripiton:
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Cross-site scripting(XSS) is a type of computer security vulnerability tipically found in Web application. XSS enables attackers to inject client-side scripts into Web pages viewed by other users. CSS(Cascading Style Sheets) is used to describe the presentation of a document written in HTML. Some of CSS attribute or attribute value can be used by attackers to implement XSS attack, such as '<div style="background-image: url(javascript:...)">'. This rule detects common CSS attribute or attribute value in HTTP request. This rule supports to defend the A3: Injection of OWASP Top 10 - 2021.
Other reference:None
| Solution:
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Update vendor patches.