SendPress Newsletters

SendPress Newsletters has 11 disclosed vulnerabilities in the WordSec catalog, reported between 2015 and 2026; 5 are fixed and 6 remain unpatched as of October 2026. Their average CVSS score is 5.9, and the most serious one scores 8.8 out of 10. Severity breakdown: 0 critical and 2 high. 2023 was the busiest year with 5 disclosures.

The most common weakness is Cross-Site Scripting, behind 5 of the records (45%). Other recurring categories include Missing Authorization, SQL Injection.

5 of the records (45%) have a vendor fix, while 6 remain unpatched. The oldest unresolved one dates back to 2023.

9 independent researchers contributed these findings, most of them (2) reported by Marcin Probola.