What is the CVSS score of CVE-2025-29512?

CVE-2025-29512 has a CVSS 3.1 base score of 6.1 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of Nodebb are affected by CVE-2025-29512?

Organizations using NodeBB should be aware of moderate risk from CVE-2025-29512, a cross-site scripting vulnerability rated CVSS 6.1.

How to fix or mitigate CVE-2025-29512?

Within 30 days: Identify affected systems running NodeBB and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Nodebb CVE-2025-29512

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-04-18 cve@mitre.org

RCE XSS Nodebb

6.1

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

6.1 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:37 vuln.today

CVE Published

Apr 18, 2025 - 18:15 nvd

MEDIUM 6.1

DescriptionCVE.org

AnalysisAI

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. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Nodebb.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.