What is CVE-2020-14161?

CVE-2020-14161 is a medium-severity vulnerability in Thecodingmachine Gotenberg, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-26.

How severe is CVE-2020-14161?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Thecodingmachine Gotenberg

CVE-2020-14161

It is possible to inject HTML and/or JavaScript in the HTML to PDF conversion in Gotenberg through 6.2.1 via the /convert/html endpoint.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-08-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (58.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Thecodingmachine Gotenberg

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/thecodingmachine/gotenberg/releases (Third Party Advisory, Release Notes)
github.com/gotenberg/gotenberg/pull/319 (Patch, Third Party Advisory)
github.com/gotenberg/gotenberg/issues/215 (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-14161?: CVE-2020-14161 is a medium-severity vulnerability in Thecodingmachine Gotenberg, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-08-26.
How severe is CVE-2020-14161?: Medium severity. CVSS v3 base score is 6.1 out of 10.