PT-2020-13742 · Craft Cms · Craft Cms Comments Plugin

Paweł Hałdrzyński · Published 2020-06-05 · Updated 2022-05-24 · CVE-2020-13869

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Comments plugin for Craft CMS versions prior to 1.5.6

Description The issue is related to stored XSS via a guest name. This allows for malicious code to be stored and executed when a user interacts with the affected component.

Recommendations For versions prior to 1.5.6, update to version 1.5.6 or later to resolve the issue. As a temporary workaround, consider restricting access to the Comments plugin until the update is applied. Avoid using the guest name field in the Comments plugin until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-13869

GHSA-JHHF-C849-3RH2

Affected Products

Craft Cms Comments Plugin

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2020-13869 · Security Note
• https://osv.dev/vulnerability/GHSA-jhhf-c849-3rh2 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-13869 · Vendor Advisory
• https://github.com/verbb/comments/blob/craft-3/CHANGELOG.md#155---2020-05-28-critical · Note
• https://github.com/verbb/comments · Note