CVE-2021-29272

EUVD-2021-0925
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
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 55%
Affected Products (NVD)
VendorProductVersion
microcobluemonday
𝑥
< 1.0.5
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
golang-github-microcosm-cc-bluemonday
bionic
needed
focal
dne
groovy
ignored
hirsute
ignored
impish
ignored
jammy
needed
kinetic
ignored
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
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