CVE-2021-29272

bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
microcobluemonday
𝑥
< 1.0.5
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
golang-github-microcosm-cc-bluemonday
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needed
impish
ignored
hirsute
ignored
groovy
ignored
focal
dne
bionic
needed
xenial
dne
trusty
dne
Common Weakness Enumeration
References
https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5
https://vuln.ryotak.me/advisories/4
https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5
https://vuln.ryotak.me/advisories/4