CVE-2026-87901 | phpBB up to 3.3.18 Registration cross site scripting

October 23, 2026 Yanac

A vulnerability categorized as problematic has been discovered in phpBB up to 3.3.18. This vulnerability affects unknown code of the component Registration Module. The manipulation results in cross site scripting.

This vulnerability is known as CVE-2026-87901. It is possible to launch the attack remotely. No exploit is available.VulDB Recent EntriesRead More