PatchTheCVECVE-2025-4857: The Newsletters plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and includin
CVE-2025-4857 is a high-severity flaw (CVSS 7.2) affecting newsletters. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Newsletters plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 4.9.9.9 via the 'file' parameter. This makes it possible for authenticated attackers, with Administrator-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cas
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 43%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2025-05-31 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-4857?
newsletters: upgrade to 4.10. Exact commands for each OS are on this page.
Is CVE-2025-4857 being exploited?
CVE-2025-4857 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-4857 affect?
CVE-2025-4857 affects newsletters. Severity is high (CVSS 7.2). The Newsletters plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 4.9.9.9 via the 'file' parameter. This makes it possible for authenticated attackers, with Administrator-level access and above
How urgent is CVE-2025-4857?
Priority 39/100. High severity
Software pages
WordPress vulnerabilities · PHP vulnerabilities
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