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VULNERABILITIES

CVE-2020-13756 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector: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

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URLSource(s)Tag(s)
http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html CVEExploitThird Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2020/Jun/7 CVEExploitMailing ListThird Party Advisory
https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4 CVEPatchThird Party Advisory
https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1 CVERelease NotesThird Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00013.html CVE

see all 9 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-94Improper Control of Generation of Code ('Code Injection')[email protected]

Affected Products

ProductVersions
sabberworm php css parser
< 8.3.1

CPE

  • cpe:2.3:a:sabberworm:php_css_parser:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-13756
NVD Published Date:
Jun 3, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-13756 Details - Not Deferred