CVE-2019-18209

Name: CVE-2019-18209
Creator: NVD / NIST
Published: 2019-10-19T01:15:10.59+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2019-18209 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. templates/pad.html in Etherpad-Lite 1.7.5 has XSS when the browser does not encode the path of the URL, as demonstrated by Internet Explorer.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

templates/pad.html in Etherpad-Lite 1.7.5 has XSS when the browser does not encode the path of the URL, as demonstrated by Internet Explorer.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Etherpad	Etherpad	1.7.5

References

https://github.com/ether/etherpad-lite/commit/5879037ddca4ab9a4002adf90fc7ce6c9f82f01bPatch, Third Party Advisory
https://github.com/ether/etherpad-lite/commit/5879037ddca4ab9a4002adf90fc7ce6c9f82f01bPatch, Third Party Advisory

Timeline

Published: Oct 19, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-18209?

templates/pad.html in Etherpad-Lite 1.7.5 has XSS when the browser does not encode the path of the URL, as demonstrated by Internet Explorer.

How severe is CVE-2019-18209?

CVE-2019-18209 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2019-18209?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-18209?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST