PT-2021-17689 · Mybb · Mybb

Dvz · Published 2021-03-15 · Updated 2024-03-06 · CVE-2021-27949

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: MyBB versions prior to 1.8.26

Description: The issue is related to a Cross-site Scripting vulnerability. It affects the Custom moderator tools in MyBB.

Recommendations: For versions prior to 1.8.26, update to version 1.8.26 or later to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-MYBB-2021-27949

CVE-2021-27949

GHSA-CMMR-39V8-8RX2

Affected Products

Mybb

References · 4

• https://github.com/mybb/mybb/security/advisories/GHSA-cmmr-39v8-8rx2 · Patch
• https://osv.dev/vulnerability/BIT-mybb-2021-27949 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-27949 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-27949 · Security Note