Stored XSS Vulnerability in MyBB 1.8.25 via Nested [email] Tags with MyCode

Stored XSS Vulnerability in MyBB 1.8.25 via Nested [email] Tags with MyCode

CVE-2021-27279 · MEDIUM Severity

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode).

Learn more about our Web Application Penetration Testing UK.