← CVE Intelligence

CVE-2026-73038

NodeBB < 4.15.0 Stored XSS via ActivityPub emoji tag.icon.url and tag.name PUBLISHED

Description (CNA)

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 stored post content, executing code in all viewers' browsers.

Affected (CNA)

Vendor / productVersions
NodeBB / NodeBBaffected 0 before 4.15.0

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.