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WordPress Plugin Vulnerabilities

The Plus Addons for Elementor Page Builder Lite < 2.0.6 - Contributor+ Stored XSS

Description

The “The Plus Addons for Elementor Page Builder Lite” WordPress Plugin before 2.0.6 has four widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.

The “Accordion” widget accepts a “title_html_tag” parameter. Although the element control lists a fixed set of possible html tags, it is possible to send a ‘save_builder’ request containing JavaScript in the “title_html_tag” parameter, which is not filtered and is output without escaping. This JavaScript will then be executed when the saved page is viewed or previewed.

The “Infobox” widget accepts a “title_tag” parameter. Although the element control lists a fixed set of possible html tags, it is possible to send a ‘save_builder’ request containing JavaScript in the “title_tag” parameter, which is not filtered and is output without escaping. This JavaScript will then be executed when the saved page is viewed or previewed.

The “Heading animation” widget accepts a “ani_title_tag” parameter. Although the element control lists a fixed set of possible html tags, it is possible to send a ‘save_builder’ request containing JavaScript in the “ani_title_tag” parameter, which is not filtered and is output without escaping. This JavaScript will then be executed when the saved page is viewed or previewed.

The “Hovercard” widget accepts a “open_tag” parameter. Although the element control lists a fixed set of possible html tags, it is possible to send a ‘save_builder’ request containing JavaScript in the “open_tag” parameter, which is not filtered and is output without escaping. This JavaScript will then be executed when the saved page is viewed or previewed.

These vulnerabilities are nearly identical to the vulnerabilities we have recently disclosed in the main Elementor plugin: https://www.wordfence.com/blog/2021/03/cross-site-scripting-vulnerabilities-in-elementor-impact-over-7-million-sites/

Affects Plugins

the-plus-addons-for-elementor-page-builder
Fixed in version 2.0.6

References

CVE
CVE-2021-24266
URL
https://www.wordfence.com/blog/2021/04/recent-patches-rock-the-elementor-ecosystem/

Classification

Type

XSS

OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79

Miscellaneous

Original Researcher

Ramuel Gall

Submitter

Ramuel Gall

Submitter twitter
ramuelgall
Verified

Yes

WPVDB ID
78014ddd-1cc2-4723-8194-4bf478888578

Timeline

Publicly Published

2021-04-13 (about 1 years ago)

Added

2021-04-14 (about 1 years ago)

Last Updated

2021-04-18 (about 1 years ago)

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