CVE-2020-13756

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4
• https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1
• http://seclists.org/fulldisclosure/2020/Jun/7
• http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html
• https://lists.debian.org/debian-lts-announce/2025/10/msg00013.html

References

• https://github.com/sabberworm/PHP-CSS-Parser/commit/2ebf59e8bfbf6cfc1653a5f0ed743b95062c62a4
• https://github.com/sabberworm/PHP-CSS-Parser/releases/tag/8.3.1
• http://seclists.org/fulldisclosure/2020/Jun/7
• http://packetstormsecurity.com/files/157923/Sabberworm-PHP-CSS-Code-Injection.html

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