CVE-2021-27889
MEDIUM 6.1EPSS 5.1%
Cross-site Scripting (XSS) vulnerability in MyBB before 1.8.26 via Nested Auto URL when parsing messages.
- CVSS v3.1
- 6.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS v2.0
- 4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N - EPSS
- 5.07% chance of exploitation in the next 30 days, 92th percentile
- Published
- 2021-03-15
- Updated
- 2024-08-03
Proof-of-concept exploits (2)
- http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html
- xiaopan233/Mybb-XSS_SQL_RCE-POC10★ · 2021-03-25