WordPress Plugin Vulnerabilities

PDF.js Viewer < 2.1.8 - Contributor+ Stored XSS via Shortcode

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

[pdfjs-viewer viewer_height='" onmouseover="alert(1)"']

Affects Plugins

References

Classification

Type
XSS
CWE

Miscellaneous

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

Timeline

Publicly Published
2023-01-10 (about 1 years ago)
Added
2023-01-10 (about 1 years ago)
Last Updated
2023-01-10 (about 1 years ago)

Other