Attestkeep
Language: English
Sign up

Vulnerabilities / CVE-2020-13756

critical

CVE-2020-13756

Sabberworm PHP CSS Parser before 8.3.1 calls eval on uncontrolled data ...

Published Modified CWE 94
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GHSA9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Ubuntu (medium).

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.

Affected packages and fixed versions

SourcePackageFixed in
composer::GitHub Security Advisory Composersabberworm/php-css-parser8.3.1, 8.2.1, 8.1.1, 8.0.1, 7.0.4, 6.0.2, 5.2.1, 5.1.3, 5.0.9, 4.0.1, 3.0.1, 2.0.1, 1.0.1
composer::PHP Security Advisories Databasesabberworm/php-css-parserno fix listed
debian 11php-horde-css-parser1.0.11-8+deb11u1
debian 12php-horde-css-parserno fix listed
echophp-horde-css-parserno fix listed
rapidfort debian 12php-horde-css-parser0:1.0.11-8+deb11u1
rapidfort debian 13php-horde-css-parser0:1.0.11-8+deb11u1
ubuntu 16.04-ESMphp-horde-css-parser1.0.8-1ubuntu1+esm1
ubuntu 18.04-ESMphp-horde-css-parser1.0.11-1ubuntu1+esm1

References

All 11 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.