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Vulnerabilities / CVE-2021-42576

critical

CVE-2021-42576

The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Py ...

Published Modified
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
GHSA8.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

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

Description

The bluemonday sanitizer before 1.0.16 for Go, and before 0.0.8 for Python (in pybluemonday), does not properly enforce policies associated with the SELECT, STYLE, and OPTION elements.

Affected packages and fixed versions

SourcePackageFixed in
debian 11golang-github-microcosm-cc-bluemondayno fix listed
debian 12golang-github-microcosm-cc-bluemonday1.0.16-1
debian 13golang-github-microcosm-cc-bluemonday1.0.16-1
debian 14golang-github-microcosm-cc-bluemonday1.0.16-1
echogolang-github-microcosm-cc-bluemonday1.0.16-1
go::GitHub Security Advisory Gogithub.com/microcosm-cc/bluemonday1.0.16
pip::GitHub Security Advisory pippybluemonday0.0.8

References

All 9 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.