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WordPress Plugin Vulnerabilities

Sina Extension for Elementor < 3.3.12 - Contributor+ Stored XSS

Description

The “Sina Extension for Elementor” WordPress Plugin before 3.3.12 has several widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.

The “Banner Slider” widget accepts a “title_tag” and a “subtitle_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 either of these parameters, which is not filtered and is output without escaping. This JavaScript will then be executed when the saved page is viewed or previewed.

Additionally the following widgets appear to have similar vulnerabilities:
Sina Content Slider:title_tag,subtitle_tag parameters
Sina Particle Layer:title_tag parameter
Sina title:title_tag,subtitle_tag parameters

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

sina-extension-for-elementor
Fixed in version 3.3.12

References

CVE
CVE-2021-24269
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
df953a91-f1d8-42e9-8966-f2012d4f97c9

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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