CVE-2020-13869

Name: CVE-2020-13869
Creator: NVD / NIST
Published: 2020-06-05T19:15:13.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.54%

Last modified Jun 17, 2026

CVE-2020-13869 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. An issue was discovered in the Comments plugin before 1.5.6 for Craft CMS. There is stored XSS via a guest name.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.

Description

An issue was discovered in the Comments plugin before 1.5.6 for Craft CMS. There is stored XSS via a guest name.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.54%

41.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Verbb	Comments	< 1.5.5

References

https://github.com/verbb/comments/blob/craft-3/CHANGELOG.md#155---2020-05-28-criticalRelease Notes, Third Party Advisory
https://github.com/verbb/comments/blob/craft-3/CHANGELOG.md#155---2020-05-28-criticalRelease Notes, Third Party Advisory

Timeline

Published: Jun 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13869?

An issue was discovered in the Comments plugin before 1.5.6 for Craft CMS. There is stored XSS via a guest name.

How severe is CVE-2020-13869?

CVE-2020-13869 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13869?

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-2020-13869?

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

Scan your code now

Source: NVD / NIST