CVE-2021-27889: XSS
Published Mar 15, 2021
·Updated
Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.
Affected Software
1 affected component
Mybb Mybb<1.8.26
Remediation
Event History
Mar 15, 2021
CVE Published
via MITRE·04:57 PM
Data Sourced
via MITRE·04:57 PM
Description
Frequently Asked Questions
1
What is CVE-2021-27889?
CVE-2021-27889 is a Cross-site Scripting (XSS) vulnerability in MyBB before version 1.8.26 via Nested Auto URL when parsing messages.
2
What software is affected by CVE-2021-27889?
MyBB before version 1.8.26 is affected by CVE-2021-27889.
3
What is the severity of CVE-2021-27889?
The severity of CVE-2021-27889 is medium with a CVSS score of 6.1.
4
How can I fix CVE-2021-27889 in MyBB?
To fix CVE-2021-27889 in MyBB, update to version 1.8.26 or newer.
5
Where can I find more information about CVE-2021-27889?
More information about CVE-2021-27889 can be found at the following references: [link1], [link2], [link3].