CVE-2025-3581 — Newsletter < 8.8.5 - Admin+ Stored XSS via Widget
The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before outputting them back in a page/post where the block is embed, which …
Published: 2025-06-09 · CVSS: 4.8 · CVSS 3.1
The Newsletter WordPress plugin before 8.8.5 does not validate and escape some of its Widget options before outputting them back in a page/post where the block is embed, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7