CVE-2026-88997 — MEDIUM (6.8)

Vulnerability Description

The JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing users with contributor-level access and above to inject arbitrary JavaScript that executes in the session of a higher-privileged user who reviews the affected post.

CVSS Score

6.8

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/1699d3aa-29ca-4197-8e3b-0b03ecce751a/

FAQ

What is CVE-2026-88997?

CVE-2026-88997 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The JSM Show Post Metadata WordPress plugin before 4.9.1 does not properly escape a post meta key before outputting it into an inline event-handler attribute in an admin-facing meta box, allowing user...

How severe is CVE-2026-88997?

CVE-2026-88997 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-88997?

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