Critical severity9.8NVD Advisory· Published Oct 18, 2021· Updated Jun 17, 2026
CVE-2021-42576
CVE-2021-42576
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
pybluemondayPyPI | < 0.0.8 | 0.0.8 |
github.com/microcosm-cc/bluemondayGo | < 1.0.16 | 1.0.16 |
Affected products
2- ghsa-coords2 versions
< 1.0.16+ 1 more
- (no CPE)range: < 1.0.16
- (no CPE)range: < 0.0.8
Patches
Vulnerability mechanics
References
8- docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50/nvdExploitThird Party Advisory
- github.com/advisories/GHSA-x95h-979x-cf3jghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-42576ghsaADVISORY
- docs.google.com/document/d/11SoX296sMS0XoQiQbpxc5pNxSdbJKDJkm5BDv0zrX50ghsaWEB
- github.com/microcosm-cc/bluemonday/commit/c788a2a4d42e081ad54a31368478820bb4a42fb4ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/pybluemonday/PYSEC-2021-849.yamlghsaWEB
- pkg.go.dev/vuln/GO-2022-0588ghsaWEB
- pypi.org/project/pybluemondayghsaWEB
News mentions
0No linked articles in our index yet.