Vulnerability · Published Oct 14, 2026 · Assigned by VulnCheck
CVE-2020-37282office-converter through 1.0.2 OS Command Injection via fileName in generatePdf
Critical 9.8
In plain English
A critical-severity OS command injection in office-converter from vworld4u. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.4% (higher than 89% of all known vulnerabilities).
Official description
office-converter through 1.0.2 contains an OS command injection vulnerability that allows attackers to execute commands by supplying a crafted fileName to generatePdf() or generateHtml(). Attackers can embed $(...), backticks, or a closing quote with shell metacharacters in the file name, which is concatenated into an unoconv command run via child_process.exec(), executing commands with Node.js process privileges.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| vworld4u | office-converter | 0 – through 1.0.2 |
Weakness: CWE-78 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-9p64-h5q4-phpm) third-party-advisory
- https://github.com/vworld4u/office-converter/pull/9 patch, issue-tracking
- https://github.com/vworld4u/office-converter/blob/b1ea855d0001dc7a5d66343698634dbc06b72c2d/index.js#L19-L20 technical-description
- VulnCheck Advisory: office-converter through 1.0.2 OS Command Injection via fileName in generatePdf third-party-advisory