RCE in Sabberworm Php_css_parser
CVE-2020-13756
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.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.551 (98.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Sabberworm Php_css_parser
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)
- cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2020-13756?
- CVE-2020-13756 is a critical-severity vulnerability in Sabberworm Php_css_parser, classified under Code Injection. CVSS score: 9.8/10. Published 2020-06-03.
- How severe is CVE-2020-13756?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-13756 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.