PT-2020-17027 · WordPress · Wpbakery

Chloe Chamberland · Published 2020-11-16 · Updated 2020-11-27 · CVE-2020-28650

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions WPBakery plugin versions prior to 6.4.1

Description The issue allows for XSS because it calls kses remove filters to disable the standard WordPress XSS protection mechanism for the Author and Contributor roles.

Recommendations For versions prior to 6.4.1, update to version 6.4.1 or later to resolve the issue. As a temporary workaround, consider restricting the use of the kses remove filters function to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-28650

Affected Products

Wpbakery

References · 4

• 🔥 https://wordfence.com/blog/2020/10/vulnerability-exposes-over-4-million-sites-using-wpbakery · Exploit
• https://osv.dev/vulnerability/CVE-2020-28650 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-28650 · Security Note
• https://t.me/cvenotify/5592 · Telegram Post