Cross-site scripting in QNAP QcalAgent
Priority LOW 23CWE-79Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
A cross-site scripting (XSS) vulnerability has been reported to affect QcalAgent. The local attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: QcalAgent 1.1.9 and later
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00185 8th percentileScored 2026-11-07
Fix Fixed QcalAgent (QNAP Systems Inc.): 1.1.9
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
Remediation
- Fix · CNA QcalAgent (QNAP Systems Inc.) Fixed in 1.1.9
Timeline
- 2026-10-02 Threatist record created from CVE-2024-27123
- 2026-10-03 Alias added: GHSA-3wcv-v3rv-jx98
References
More QNAP vulnerabilities
- TI-2022-10581 DeadBolt Ransomware KEVCVSS 3.1CRITICAL 10.0
- TI-2021-09791 Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync) KEVCVSS 3.1CRITICAL 10.0
- TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05103 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05102 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-27123 · CVE Program
- CVE-2024-27123 · NVD
- FIRST EPSS
- GHSA-3wcv-v3rv-jx98 · 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