CVE-2026-78146 Noptin < 4.3.3 - Unauthenticated Subscriber PII and confirm_key Disclosure via Actions Page
Unauthenticated attackers can view subscriber personal data and confirmation keys, enabling unauthorized record modifications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78146?
CVE-2026-78146 is a medium-severity vulnerability in Unknown Simple Newsletter Plugin, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Simple Newsletter Plugin WordPress plugin before 4.3.3 does not verify that the requester is the subscriber named in a public request before rendering that subscriber's stored details, allowing unauthenticated users to disclose a subscriber's personal data along with the key that authorises changes to their record.
Weakness: CWE-200
Which versions are affected by CVE-2026-78146?
How do I fix CVE-2026-78146?
No fix has been published for CVE-2026-78146 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-78146 being exploited?
There is no known exploitation of CVE-2026-78146 in the wild and no public exploit code.
Sources
Also known as GHSA-32qv-rfg8-hw55.