Vulnerability · Published Jun 9, 2025 · Assigned by WPScan
CVE-2025-3582Newsletter < 8.8.5 - Admin+ Stored XSS via Form
Medium 4.8
In plain English
A medium-severity security flaw in Newsletter from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)0.3%top 80.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Newsletter WordPress plugin before 8.85 does not sanitise and escape some of its Form settings, 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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Newsletter | 0 – before 8.85 |
References
- https://wpscan.com/vulnerability/19db8521-8dff-48c5-b21a-1001895292e0/ exploit, vdb-entry, technical-description