---
cve: "CVE-2026-88997"
severity: "MEDIUM"
cvss: 6.8
epss: "0.2%"
vendor: "Unknown"
kev: false
exploited: false
published: "2026-09-23 06:17:04"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-24T16:16:31+02:00"
---

# CVE-2026-88997

> 6.8 MEDIUM

## Beschreibung

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-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Erforderlich | good |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

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

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-88997) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_