CVE-2025-48883 Chrome PHP is missing encoding in `CssSelector`
An attacker can inject malicious scripts via improperly encoded CSS selectors in the Chrome PHP library, potentially executing code in the browser context.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-48883?
CVE-2025-48883 is a medium-severity cross-site scripting vulnerability in chrome-php chrome, published on 30 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Chrome PHP allows users to start playing with chrome/chromium in headless mode from PHP. Prior to version 1.14.0, CSS Selector expressions are not properly encoded, which can lead to XSS (cross-site scripting) vulnerabilities. This is patched in v1.14.0. As a workaround, users can apply encoding manually to their selectors if they are unable to upgrade.
Weakness: CWE-79
Which versions are affected by CVE-2025-48883?
2 open source packages ship an affected version, including chrome-php/chrome.
| Package | Affected | Fixed in |
|---|---|---|
chrome-php/chrome Packagist | All versions | 1.14.0 |
chrome-php/chrome Packagist | All versions | 1.14.0 |
How do I fix CVE-2025-48883?
Upgrade chrome-php/chrome to 1.14.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-48883 being exploited?
There is no known exploitation of CVE-2025-48883 in the wild and no public exploit code.
Sources
Also known as GHSA-3432-fmrf-7vmh.