---
cve: "CVE-2026-102398"
severity: "HIGH"
cvss: 7.1
epss: ""
vendor: "Supsystic"
kev: false
exploited: false
published: "2026-09-30 13:17:17"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-10-08T14:21:08+02:00"
---

# CVE-2026-102398

> 7.1 HIGH

## Beschreibung

Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.13.1 versions.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Patchstack**
- State: PUBLISHED
- Stand: 2026-09-30 13:17:02
- CNA-CVSS: **7.1** (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

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

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

## Referenzen

- <https://patchstack.com/database/wordpress/plugin/popup-by-supsystic/vulnerability/wordpress-popup-by-supsystic-plugin-1-13-1-cross-site-scripting-xss-vulnerability?_s_id=cve>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-102398/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_