CVE-2020-13756
9.8 · CRITICALOverview
CVE-2020-13756 is a critical-severity vulnerability affecting sabberworm php_css_parser. It was published on June 3, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data, possibly leading to remote code execution if the function allSelectors() or getSelectorsBySpecificity() is called with input from an attacker.
Remediation
Check the references section for vendor advisories and patches from sabberworm. Update php_css_parser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| sabberworm | php_css_parser | >= 0, < 8.3.1 | Affected |
References
Frequently Asked Questions
What is CVE-2020-13756?
CVE-2020-13756 is a critical-severity vulnerability affecting sabberworm php_css_parser. It was published on June 3, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2020-13756?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-13756?
Check the references section for vendor advisories and patches from sabberworm. Update php_css_parser to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2020-13756?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-13756 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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