CVE-2025-29513
MediumCVSS 6.1Exploitation Probability (EPSS)
Very high risk96th percentile - higher than 96% of all known CVEs
Summary
Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrary code in the admin API Access token generator.
Risk Assessment
An attacker can inject malicious script that executes in administrators' browsers, leading to session theft, configuration changes, or data theft.
Recommendation
Immediately upgrade NodeBB to a version later than 4.0.4 and implement input filtering and output encoding for data entered in the API token generator.
Other vulnerabilities in NodeBB
See all- CVE-2024-57041Medium
A persistent cross-site scripting (XSS) vulnerability was found in NodeBB v3.11.0. An attacker can store arbitrary JavaScript code in the 'About Me' section of their profile.
- CVE-2026-73038Medium
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.
- CVE-2026-58593High
A vulnerability in NodeBB allows a remote attacker to impersonate any local user, including the administrator, by forging posts and private messages via the ActivityPub protocol. The issue stems from missing validation that the authenticated remote actor is the actual author of the ActivityPub object.
- CVE-2025-29512Medium
A Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and earlier allows remote attackers to store arbitrary JavaScript code, potentially rendering the IP blacklist functionality unusable until the malicious content is removed from the database.
Original NVD description (English source)
Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrary code in the admin API Access token generator.