phpbb 3.0.x-3.0.6 has an XSS vulnerability via the [flash] BB tag.
https://security-tracker.debian.org/tracker/CVE-2011-0544
Source: Mitre, NVD
Published: 2019-11-14
Updated: 2019-11-15
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00339