PT-2021-16173 · WordPress · Postx – Gutenberg Blocks For Post Grid

Apple502J · Published 2021-09-27 · Updated 2021-10-01 · CVE-2021-24660

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 PostX – Gutenberg Blocks for Post Grid WordPress plugin versions prior to 2.4.10

Description The issue allows users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks via the plugin's shortcode when the Saved Templates Addon is enabled.

Recommendations For PostX – Gutenberg Blocks for Post Grid WordPress plugin versions prior to 2.4.10, update to version 2.4.10 or later to resolve the issue. As a temporary workaround, consider disabling the Saved Templates Addon until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24660

Affected Products

Postx – Gutenberg Blocks For Post Grid

References · 4

• https://osv.dev/vulnerability/CVE-2021-24660 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-24660 · Security Note
• https://wpscan.com/vulnerability/af14ac23-843d-4f80-beaf-237618109edd · Note
• https://t.me/cibsecurity/29501 · Telegram Post