| Package | Affected versions | Patched versions |
|---|---|---|
| gs books showcase | < 1.3.1 | 1.3.1 |
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.
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