CVE-2020-13756

9.8 CRITICAL
Published: June 03, 2020 Modified: November 03, 2025

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html
Source: cve@mitre.org
Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2020/Jun/7
Source: cve@mitre.org
Exploit Mailing List Third Party Advisory
https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1
Source: cve@mitre.org
Release Notes Third Party Advisory
http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2020/Jun/7
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Mailing List Third Party Advisory
https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Third Party Advisory
https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes Third Party Advisory

9 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
26.6%
96th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

sabberworm