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TI-2025-21118 Aliases CVE-2025-29512GHSA-gpg3-h2f7-7hcx

Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote…

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrary code and potentially render the blacklist IP functionality unusable until content is removed via the database.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00291 21st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:*up to 4.0.4VulnerableNodeBB
  • cpe:2.3:a:nodebb:nodebb:*:*:*:*:*:*:*:* Versions up to 4.0.4 Vulnerable ·NodeBB

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-29512
  2. 2026-10-03 Alias added: GHSA-gpg3-h2f7-7hcx

References

Advisory 1

  • TI-2023-23124 A remote code execution (RCE) vulnerability in the xmlrpc.php endpoint of NodeBB Inc… CVSS 3.1CRITICAL 9.8
  • TI-2022-22808 Account takeover via prototype vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-42173 NodeBB - ActivityPub Author Spoofing via Unvalidated attributedTo Mapped to Local User CVSS 4.0HIGH 8.7
  • TI-2025-32286 NodeBB v4.3.0 is vulnerable to SQL injection in its search-categories API endpoint… CVSS 3.1HIGH 8.6
  • TI-2023-14416 NodeBB Pre-Authentication Denial-of-Service CVSS 3.1HIGH 7.5
  • TI-2022-16499 Account takeover via SSO plugins in NodeBB CVSS 3.1HIGH 8.8
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences