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WordPress Plugin Vulnerabilities

Happy Addons for Elementor Free < 2.24.0 and Pro < 1.17.0 - Contributor+ Stored XSS

Description

The plugins have a number of widgets that are vulnerable to stored Cross-Site Scripting(XSS) by lower-privileged users such as contributors, all via a similar method: The “Card” 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 with the “heading_tag” set to “script”, and the actual “title” parameter set to JavaScript to be executed within the script tags added by the “heading_tag” parameter. 

This JavaScript will then be executed when the saved page is viewed or previewed.

The other widgets that appear to be exploitable in this manner are:

fun-factor: "title_tag" script tag + Javascript in "fun_factor_title" parameter

gradient-heading: "title_tag" script tag + Javascript in "title" parameter

icon-box: "title_tag" script tag + Javascript in "title" parameter

infobox: "title_tag" script tag + Javascript in "title" parameter

member: "title_tag" script tag + Javascript in "title" parameter

post-list: "title_tag" script tag + Javascript in "title" parameter

review: "title_tag" script tag + Javascript in "title" parameter

step-flow: "title_tag" script tag + Javascript in "title" parameter

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

happy-elementor-addons
Fixed in version 2.24.0
happy-elementor-addons-pro
Fixed in version 1.17.0

References

CVE
CVE-2021-24292
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
0f20e098-8106-451f-9448-d35a79f03077

Timeline

Publicly Published

2021-04-26 (about 1 years ago)

Added

2021-04-27 (about 1 years ago)

Last Updated

2021-04-29 (about 1 years ago)

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