CVE-2026-19116 — HIGH (8.8)

Vulnerability Description

The User Frontend WordPress plugin before 4.3.11 does not prevent user-supplied field values from being deserialized when a submitted post is reopened in its frontend editing form, allowing authenticated users with subscriber-level access and above to perform PHP Object Injection, which may lead to remote code execution when a suitable gadget chain is present on the site.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-502

References

https://wpscan.com/vulnerability/019d83bd-24d3-4575-9d0b-55f75fdb0bfa/

FAQ

What is CVE-2026-19116?

CVE-2026-19116 is a vulnerability with a CVSS score of 8.8 (HIGH). The User Frontend WordPress plugin before 4.3.11 does not prevent user-supplied field values from being deserialized when a submitted post is reopened in its frontend editing form, allowing authentic...

How severe is CVE-2026-19116?

CVE-2026-19116 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-19116?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.