Vulnerabilities

Vulnerability · CVE-2025-4857

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.

Published May 31, 2025 · catalog updated Apr 8, 2026 · Newsletters

Check if you run it

No confirmed exploitation is on record for CVE-2025-4857. EPSS is 0.77%. Act only if a listed version of Newsletters is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.77%
Remediation
Vendor / distro source
Affected products
vendor contrid Newsletters 0 ≤4.9.9.9

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 cases where images and other “safe” file types can be uploaded and included.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor contrid Newsletters 0 ≤4.9.9.90 ≤4.9.9.9

How to fix CVE-2025-4857

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-4857. EPSS is 0.77%. Act only if a listed version of Newsletters is installed.

Which versions are affected?

Compare what you have installed with contrid Newsletters 0 ≤4.9.9.9 0 ≤4.9.9.9. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.77%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 31, 2025 · EUVD

    Detected

    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, obtai

  2. Apr 8, 2026 · EUVD

    Updated

    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, obtai

Sources

  • CVE.orgVulnerability recordCVE-2025-4857

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-4857

    30-day exploitation probability 0.8%

    first.org
  • EUVDVulnerability recordEUVD-2025-16557

    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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.