| Package | Affected versions | Patched versions |
|---|---|---|
| simple membership | < 4.2.2 | 4.2.2 |
The Simple Membership WordPress plugin before 4.2.2 does not validate and escape some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as contributor to perform Stored Cross-Site Scripting attacks which could be used against high privilege users such as admin.
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