AIKIDO-2025-10334
chrome-php/chrome is vulnerable to CSS injection
15
Low Risk
This Affects:
chrome-php/chromeTL;DR
Affected versions of this package fail to properly encode CSS selector expressions, allowing an attacker to inject malicious selectors (e.g., input[type='password']). Since quotes and special characters are not properly escaped, the injected selector breaks JavaScript execution, potentially causing application errors or enabling DOM exfiltration. If user-controlled input is passed directly into the selector, an attacker could execute arbitrary JavaScript in the browser's instance. Related PR on chrome-php: https://github.com/chrome-php/chrome/pull/691.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range, and allow user input into any selectors.
Background info
chrome-php/chrome is vulnerable to CSS injection in versions 1.5.0 - 1.13.0.
How to fix this
Upgrade the chrome-php/chrome library to the patch version.
Links
GitHub Release
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