EUVD-2026-58226

NodeBB before 4.15.0 contains a stored cross-site scripting vulnerability in the renderEmoji function that fails to escape tag.icon.url and tag.name attributes. Attackers can deliver malicious ActivityPub Create/Note objects with crafted emoji tags to inject arbitrary HTML and JavaScript into...

CVE-2026-73038

NodeBB before 4.15.0 contains a stored cross-site scripting vulnerability in the renderEmoji function that fails to escape tag.icon.url and tag.name attributes. Attackers can deliver malicious ActivityPub Create/Note objects with crafted emoji tags to inject arbitrary HTML and JavaScript into...

CVE-2026-73038

NodeBB before 4.15.0 contains a stored XSS in the renderEmoji function due to failed escaping of tag.icon.url and tag.name within ActivityPub emoji tags. Attackers can send crafted Create/Note objects to inject HTML/JS into stored post content, leading to code execution in viewers’ browsers. Impa...