---
cve: "CVE-2026-111284"
severity: "MEDIUM"
cvss: 5.1
epss: "0.2%"
vendor: "Webkul"
kev: false
exploited: false
published: "2026-10-15 22:19:29"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-11-01T23:21:53+01:00"
---

# CVE-2026-111284

> 5.1 MEDIUM · 🧪 PoC

## Beschreibung

Aureus ERP through 1.6.0 contains a stored cross-site scripting vulnerability in HolidayAction.php that allows authenticated users to inject scripts via unescaped holiday names rendered as HtmlString. Attackers permitted to create Public Holidays or Mandatory Days can store JavaScript payloads that execute when HR managers or administrators open the Holiday modal, hijacking their sessions.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulnCheck**
- State: PUBLISHED
- Stand: 2026-10-16 19:42:44
- CNA-CVSS: **5.1** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |

## Schwachstellen-Klasse

- **CWE-79** — Improper Neutralization of Input During Web Page Generation
  The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

## Angriffsmuster (CAPEC)

- [CAPEC-63 — Cross-Site Scripting (XSS)](https://capec.mitre.org/data/definitions/63.html) _(Severity: Very High)_
- [CAPEC-85 — AJAX Footprinting](https://capec.mitre.org/data/definitions/85.html) _(Severity: Low)_
- [CAPEC-209 — XSS Using MIME Type Mismatch](https://capec.mitre.org/data/definitions/209.html) _(Severity: Medium)_
- [CAPEC-588 — DOM-Based XSS](https://capec.mitre.org/data/definitions/588.html) _(Severity: Very High)_
- [CAPEC-591 — Reflected XSS](https://capec.mitre.org/data/definitions/591.html) _(Severity: Very High)_
- [CAPEC-592 — Stored XSS](https://capec.mitre.org/data/definitions/592.html) _(Severity: Very High)_

## Referenzen

- <https://hackmd.io/@leediay/By7ESbAozl>
- <https://github.com/aureuserp/aureuserp/pull/1606>
- <https://github.com/aureuserp/aureuserp/blob/v1.6.0/plugins/webkul/time-off/src/Filament/Actions/HolidayAction.php#L42-L63>
- <https://github.com/aureuserp/aureuserp>
- <https://www.vulncheck.com/advisories/aureus-erp-through-1.6.0-stored-xss-via-time-off-holiday-action-modal>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-111284/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_