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CVE-2021-41866

Good to know:

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Date: October 26, 2021

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.

Language: PHP

Severity Score

Related Resources (4)

https://github.com/mybb/mybb/security/advisories/GHSA-gxhv-r3m5-6qv7
https://nvd.nist.gov/vuln/detail/CVE-2021-41866
https://github.com/mybb/mybb/security/advisories/
https://www.mend.io/vulnerability-database/CVE-2021-41866

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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