CVE-2021-24208

Published on: 04/05/2021 12:00:00 AM UTC

Last Modified on: 04/12/2021 01:10:00 PM UTC

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

Certain versions of Wp Page Builder from Themeum contain the following vulnerability:

The editor of the WP Page Builder WordPress plugin before 1.2.4 allows lower-privileged users to insert unfiltered HTML, including JavaScript, into pages via the “Raw HTML” widget and the “Custom HTML” widgets (though the custom HTML widget requires sending a crafted request - it appears that this widget uses some form of client side validation but not server side validation), all of which are added via the “page_builder_data” parameter when performing the “wppb_page_save” AJAX action. It is also possible to insert malicious JavaScript via the “wppb_page_css” parameter (this can be done by closing out the style tag and opening a script tag) when performing the “wppb_page_save” AJAX action.

  • CVE-2021-24208 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Unknown - WP Page Builder version < 1.2.4

CVSS3 Score: 5.4 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW LOW REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
CHANGED LOW LOW NONE

CVSS2 Score: 3.5 - LOW

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM SINGLE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags Link
WP Page Builder Updated: Security Issues Fixed (Thanks to Wordfence) - Themeum www.themeum.com
text/html
URL Logo MISC www.themeum.com/wp-page-builder-updated-v1-2-4/
Attention Required! | Cloudflare wpscan.com
text/html
Inactive LinkNot Archived
URL Logo CONFIRM wpscan.com/vulnerability/c20e243d-b0de-4ae5-9a0d-b9d02c9b8141

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationThemeumWp Page BuilderAllAllAllAll
  • cpe:2.3:a:themeum:wp_page_builder:*:*:*:*:*:wordpress:*:*:

Discovery Credit

Ramuel Gall

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-24208 : The editor of the WP Page Builder WordPress plugin before 1.2.4 allows lower-privileged users to i… twitter.com/i/web/status/1… 2021-04-05 18:47:14
Reddit Logo Icon /r/netcve CVE-2021-24208 2021-04-05 18:55:22
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