Newsletter Lite < 4.9.3 - Admin+ Command Injection
Priority HIGH 67CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-77.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00963 61st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Newsletters (Unknown): 4.9.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
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 | Newsletters | before 4.9.3 | 4.9.3 | Patch available | CNA |
- Newsletters VendorUnknown Affected before 4.9.3 Fixed in 4.9.3 Patch available CNA
Remediation
- Fix · CNA Newsletters (Unknown) Fixed in 4.9.3
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4797
- 2026-10-03 Alias added: GHSA-hjjv-gwf3-fpj2
References
More contrid Newsletters vulnerabilities
- TI-2018-14949 The newsletters-lite plugin before 4.6.8.6 for WordPress has PHP object injection. CVSS 3.0CRITICAL 9.8
- TI-2019-10994 wp-admin/admin-ajax.php?action=newsletters_exportmultiple in the Tribulant Newsletters… CVSS 3.1HIGH 8.8
- TI-2024-07645 Newsletters <= 4.9.9.2 - Authenticated Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2023-14314 WordPress Newsletters Plugin <= 4.8.8 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2024-24742 WordPress Newsletters plugin <= 4.9.7 - Cross Site Request Forgery (CSRF) vulnerability CVSS 3.1HIGH 8.8
- TI-2025-04349 Newsletters <= 4.9.9.9 - Authenticated (Administrator+) Local File Inclusion CVSS 3.1HIGH 7.2
Sources
- CVE-2023-4797 · CVE Program
- CVE-2023-4797 · NVD
- FIRST EPSS
- GHSA-hjjv-gwf3-fpj2 · 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