Vulnerability in Microco Bluemonday

CVE-2021-42576

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.

EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

References

Frequently asked questions

What is CVE-2021-42576?
CVE-2021-42576 is a critical-severity vulnerability in Microco Bluemonday. CVSS score: 9.8/10. Published 2021-10-18.
How severe is CVE-2021-42576?
Critical severity. CVSS v3 base score is 9.8 out of 10.