CVE-2026-19116: high-severity vulnerability in User Frontend
WP User Frontend < 4.3.11 - Subscriber+ PHP Object Injection via Frontend Post Edit Form
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.8epss 0.7%
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · User Frontendpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/019d83bd-24d3-4575-9d0b-55f75fdb0bfa/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — User Frontend
In the same product, most dangerous first.
CVE-2026-14558HIGHWP User Frontend < 4.3.10 - Editor+ PHP Object Injection via AI Form BuilderEPSS 0.8%CVE-2026-14567MEDIUMWP User Frontend < 4.3.10 - Unauthenticated User Email and Phone Disclosure via User DirectoryEPSS 0.3%CVE-2026-17563MEDIUMWP User Frontend < 4.3.11 - Unauthenticated Post Creation via Subscription-Gated FormEPSS 0.3%CVE-2026-75823HIGHWP User Frontend 3.5.29 - 4.3.11 - Unauthenticated Privilege Escalation via Registration Role EncryptionEPSS 0.3%CVE-2026-75824MEDIUMWP User Frontend 2.5.8 - 4.3.11 - Unauthenticated Account Creation with Registration DisabledEPSS 0.2%CVE-2026-115277MEDIUMWP User Frontend < 4.3.14 - Reflected XSS via 'field_attr' ParameterEPSS 0.2%