Noptin < 4.3.3 - Unauthenticated Subscriber PII and confirm_key Disclosure via Actions Page
Priority LOW 35CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00294 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Simple Newsletter Plugin (Unknown): 4.3.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Simple Newsletter Plugin | 4.0.0 to before 4.3.3 | 4.3.3 | Patch available | CNA |
- Simple Newsletter Plugin VendorUnknown Affected 4.0.0 to before 4.3.3 Fixed in 4.3.3 Patch available CNA
Remediation
- Fix · CNA Simple Newsletter Plugin (Unknown) Fixed in 4.3.3
Timeline
- 2026-10-02 Threatist record created from CVE-2026-78146
- 2026-10-03 Alias added: GHSA-32qv-rfg8-hw55
References
Sources
- CVE-2026-78146 · CVE Program
- CVE-2026-78146 · NVD
- FIRST EPSS
- GHSA-32qv-rfg8-hw55 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences