'; } else{ echo ''; } echo '
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Release Date:2025/9/15
Rule Name:Detect XSS Injection with lowsrc=vbscript
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. HTML tag '<img>' has 'lowsrc' attribute which defines the low resolution version of the image. Attackers can use 'lowsrc' attribute with 'vbscript:' protocol to implement XSS attack. This rule detects 'lowsrc' attribute with 'vbscript:' protocol 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.