CVE-2023-4797: high-severity vulnerability in Newsletters
Newsletter Lite < 4.9.3 - Admin+ Command Injection
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.2epss 1.0%
The Newsletters WordPress plugin before 4.9.3 does not properly escape user-controlled parameters when they are appended to SQL queries and shell commands, which could enable an administrator to run arbitrary commands on the server.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · NewslettersRelated CVEs — Newsletters
In the same product, most dangerous first.
CVE-2026-16268HIGHNewsletters < 4.16 - Unauthenticated Server-Side Request Forgery via SNS Bounce HandlerEPSS 0.7%CVE-2026-12583HIGHNewsletters < 4.15 - Unauthenticated PHP Object Injection via Subscriber Custom FieldEPSS 0.6%CVE-2026-16267HIGHNewsletters < 4.16 - Unauthenticated PHP Object Injection via Date Form FieldEPSS 0.5%CVE-2026-16269MEDIUMNewsletters < 4.16 - Unauthenticated API Authentication Bypass via Type JugglingEPSS 0.4%CVE-2026-16264MEDIUMNewsletters < 4.18.1 - Unauthenticated Subscriber Record Overwrite and PII Disclosure via IDOREPSS 0.3%CVE-2026-17520MEDIUMNewsletters < 4.17 - Unauthenticated API Access via Predictable API KeyEPSS 0.2%