WordPress Plugin Vulnerabilities

Testimonial Slider Shortcode < 1.1.9 - Contributor+ Stored XSS

Description

The plugin does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin

Proof of Concept

[tss_item text=»Abelson has been an amazing firm to work with. Lorem changed the company.» name=»JOHN SAMPSON LP» link='" onmouseover="alert(/XSS/)"'/]

Affects Plugins

Plugin icon
testimonial-slider-shortcode
Fixed in 1.1.9

References

CVE
CVE-2023-4795

Classification

Type
XSS
OWASP top 10
A7: Cross-Site Scripting (XSS)
CWE
CWE-79
CVSS
6.8 (medium)

Miscellaneous

Original Researcher
Dmitrii Ignatyev
Submitter
Dmitrii Ignatyev
Submitter website
https://blog.cleantalk.org
Verified
Yes
WPVDB ID
b8390b4a-b43f-4bf6-a61b-dfcbc7b2e7a0

Timeline

Publicly Published
2023-09-25 (about 2 months ago)
Added
2023-09-25 (about 2 months ago)
Last Updated
2023-09-25 (about 2 months ago)

Other

Published
Title
Published
2023-06-02
Title
Kanban Boards for WordPress < 2.5.21 - Admin+ Stored XSS
Published
2023-05-09
Title
Wholesale Suite < 2.1.5.1 - Cross-Site Request Forgery
Published
2014-06-12
Title
WP Guestmap <= 1.8 - Multiple XSS
Published
2017-05-16
Title
WordPress 3.3-4.7.4 - Large File Upload Error XSS
Published
2023-01-06
Title
Posts List Designer by Category < 3.2 - Contributor+ Stored XSS via Shortcode