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    CVE-2021-43787

    Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.

    Published:Nov 29, 2021
    Last Modified:Nov 21, 2024
    EPS:Nov 29, 2021
    EPSS Score:0.00392
    CVSS Score:9

    Affected Products

    Vendor
    Nodebb
    Product
    Nodebb

    Exploits

    https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/

    Related CVEs

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    CVE-2025-29513 (CVSS 6.1) — Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrar…
    CVE-2025-29512 (CVSS 6.1) — Cross-Site Scripting (XSS) vulnerability in NodeBB v4.0.4 and before allows remote attackers to store arbitrar…
    CVE-2024-57041 (CVSS 4.6) — A persistent cross-site scripting (XSS) vulnerability in NodeBB v3.11.0 allows remote attackers to store arbit…
    CVE-2024-29316 (CVSS 6.3) — NodeBB 3.6.7 is vulnerable to Incorrect Access Control, e.g., a low-privileged attacker can access the restric…
    CVE-2023-30591 (CVSS 7.5) — Denial-of-service in NodeBB <= v2.8.10 allows unauthenticated attackers to trigger a crash, when invoking `eve…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High