CVE-2021-41866

EUVD-2021-28866
MyBB before 1.8.28 allows stored XSS because the displayed Template Name value in the Admin CP's theme management is not escaped properly.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 51%
Affected Products (NVD)
VendorProductVersion
mybbmybb
𝑥
< 1.8.28
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/mybb/mybb/security/advisories/
https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7
https://github.com/mybb/mybb/security/advisories/
https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7