WordPress Plugin Vulnerabilities
Simple Blog Card < 1.31 - 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
As a contributor, put the following shortcode in a post [simpleblogcard url="http://***.*/" color='red;" onmouseover="alert(/XSS/)"'] Other affected attributes: color, color_width, t_line_height, d_line_height
Affects Plugins
Fixed in 1.31 References
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Dmitrii Ignatyev
Submitter
Dmitrii Ignatyev
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2023-08-02 (about 9 months ago)
Added
2023-08-02 (about 9 months ago)
Last Updated
2023-08-22 (about 8 months ago)
WPScan 