CVE-2021-43787
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…
Does this matter?
Lower severity and a low EPSS score (1.27%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79, CWE-1321
- Affected
- nodebb/nodebb
- Source
- security-advisories@github.com
References
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4cPatch, Third Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Patch, Release Notes, Third Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fcPatch, Third Party Advisory
- https://blog.sonarsource.com/nodebb-remote-code-execution-with-one-shot/Exploit, Third Party Advisory
- https://github.com/NodeBB/NodeBB/commit/1783f918bc19568f421473824461ff2ed7755e4cPatch, Third Party Advisory
- https://github.com/NodeBB/NodeBB/releases/tag/v1.18.5Patch, Release Notes, Third Party Advisory
- https://github.com/NodeBB/NodeBB/security/advisories/GHSA-wx69-rvg3-x7fcPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.