BIT-mybb-2021-27889
Dashboard / Vulnerabilities / BIT-mybb-2021-27889
BIT-mybb-2021-27889
Published: 6 Mar 2024Last Modified: 13 Mar 2026
Summary:
Details: Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.
References: http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html, https://blog.sonarsource.com/mybb-remote-code-execution-chain, https://github.com/mybb/mybb/security/advisories/GHSA-xhj7-3349-mqcm
Affected packages
Package
Name: mybb
Purl: pkg:bitnami/mybb
Affected ranges
Type: SEMVER
Events:
Introduced- 0
Fixed -1.8.26
Affected versions
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
