Description
The GS Books Showcase WordPress plugin before 1.3.1 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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | GS Books Showcase | < 1.3.1 | 1.3.1 |
References
- https://wpscan.com/vulnerability/8453e587-cc8c-491a-af09-fc4ab215134b exploit vdb-entry technical-description