Vulnerability Report

CVE-2026-88997

Title: Authenticated Stored XSS

XSS

Proof Of Concept

PoC Available for CVE-2026-88997

CWE Category NVD-CWE-noinfo

Published Date Sep 23, 2026

Modified Date Sep 23, 2026

Exploit Status Available

Score 6.8 CVSS v

Exploit Probability (EPSS)

0.29%

Vulnerability Summary

CVE-2026-88997: 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.

Impacted Vendors

Analysis in Progress...

Reference Links

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

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity MEDIUM

6.8

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

REQUIRED

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2026-88997 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/pervinzahidli/CVE-2026-88997

View Code

September 23, 2026 MODIFIED

Vulnerability data updated via NVD.

September 23, 2026 MODIFIED

Vulnerability data updated via NVD.

September 23, 2026 MODIFIED

Vulnerability data updated via NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction REQUIRED

CVSS Vector String


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

Affected Stack

No specific products linked.