Elgg before 1.12.18 and 2.3.x before 2.3.11 has an open redirect.Referenceshttps://elgg.org/blog/view/2913744/security-release-elgg-11218-and-2311https://github.com/Elgg/Elgg/releases/tag/1.12.18https://github.com/Elgg/Elgg/releases/tag/2.3.11
