WordPress Plugin Vulnerabilities

GS Insever Portfolio < 1.4.5 - Contributor+ Stored XSS

Description

The plugin does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Proof of Concept

[gs_instagram id='" onmouseover="alert(1)" style="background:red;"']

Affects Plugins

References

Classification

Type
XSS
CWE

Miscellaneous

Original Researcher
Lana Codes
Submitter
Lana Codes
Submitter website
Submitter twitter
Verified
Yes

Timeline

Publicly Published
2023-02-03 (about 1 years ago)
Added
2023-02-03 (about 1 years ago)
Last Updated
2023-02-03 (about 1 years ago)

Other