CVE-2026-78363 — MEDIUM (4.8)

Vulnerability Description

The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes, allowing unauthenticated users to run any shortcode registered on the site. Exploitation requires the site to have been configured to echo a submitted value back to the visitor after submission.

CVSS Score

4.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-74

References

https://wpscan.com/vulnerability/0569c5f7-2001-4364-a68b-451b73f3a32a/

FAQ

What is CVE-2026-78363?

CVE-2026-78363 is a vulnerability with a CVSS score of 4.8 (MEDIUM). The MW WP Form WordPress plugin before 5.1.5 does not prevent shortcodes in user-submitted values from being executed when it merges those values into a message that it later processes for shortcodes,...

How severe is CVE-2026-78363?

CVE-2026-78363 has been rated MEDIUM with a CVSS base score of 4.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-78363?

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