Hostel < 1.1.5.9 - Admin+ Stored XSS
Priority MEDIUM 55CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.
Summary
The Hostel WordPress plugin before 1.1.5.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00249 16th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Hostel (Unknown): 1.1.5.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Hostel | before 1.1.5.9 | 1.1.5.9 | Patch available | CNA |
- Hostel VendorUnknown Affected before 1.1.5.9 Fixed in 1.1.5.9 Patch available CNA
Remediation
- Fix · CNA Hostel (Unknown) Fixed in 1.1.5.9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-6236
- 2026-10-03 Alias added: GHSA-3xqq-8r3c-qc6w
References
More prasunsen Hostel vulnerabilities
- TI-2025-05640 Hostel < 1.1.5.8 - Reflected XSS CVSS 3.1MEDIUM 6.1
- TI-2024-03499 Hostel < 1.1.5.3 - Reflected XSS CVSS 3.1MEDIUM 5.9
- TI-2023-00516 Hostel < 1.1.5.2 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
- TI-2019-09195 XSS exists in the Kiboko Hostel plugin before 1.1.4 for WordPress. CVSS 3.0MEDIUM 6.1
Sources
- CVE-2025-6236 · CVE Program
- CVE-2025-6236 · NVD
- FIRST EPSS
- GHSA-3xqq-8r3c-qc6w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences