CVE-2026-73038Proof of concept (PoC) published · CISA

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

CVSS score

5.3

EPSS probability

%0.2

Risk score

0.0

Published

2 mo ago

Vulnerability Timeline (Change History)

CVE-2026-73038 historical changes made to the vulnerability by NVD, CISA and MITRE:

Date	Actor / Source	Action / Description	Type	Previous value	New value
24.09.2026	nvd@nist.gov	Initial Analysis & CVSS Vector Assignment	CVSS V3.1	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
13.08.2026	CISA Coordinator	SSVC Risk Re-assessment	SSVC / KEV	exploitation: none	exploitation: none
13.08.2026	MITRE / NVD	New CVE Record Received & Ingested	CVE Created	—	CVE-2026-73038

6.1

Patch status unknownEPSS %431 y ago

4.6

Patch verified Public Exploits:1EPSS %391 y ago

7.5

Patch status unknown Public Exploits:3EPSS %03 mo ago

6.1

Patch status unknownEPSS %01 y ago

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

curl -H "x-api-key: $DAYBREACH_API_KEY" \
  "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-73038"