Vulnerability CVE-2021-41866
Published: 2021-10-26   Modified: 2021-10-27

Description:
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.

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:S/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.5/10
2.9/10
6.8/10
Exploit range
Attack complexity
Authentication
Remote
Medium
Single time
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
MYBB -> MYBB 

 References:
https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7
https://github.com/mybb/mybb/security/advisories/
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