Path traversal in k5n.us WebCalendar
Priority LOW 27CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Directory traversal vulnerability in WebCalendar 1.2.7 and earlier allows authenticated attackers to read arbitrary files via unspecified vectors.
Why it matters now
EPSS 0.02353 83rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| k5n.us | WebCalendar | up to 1.2.7 | — | No fix listed | CNA |
- WebCalendar Vendork5n.us Affected up to 1.2.7 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webcalendar_project:webcalendar:1.2.7:*:*:*:*:*:*:* | 1.2.7 | Vulnerable | Webcalendar Project |
- cpe:2.3:a:webcalendar_project:webcalendar:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·Webcalendar Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2017-10841
- 2026-10-03 Alias added: GHSA-33c3-8653-qmxw
References
More Webcalendar Project Webcalendar vulnerabilities
- TI-2012-01308 install/index.php in WebCalendar before 1.2.5 allows remote attackers to execute… CVSS 3.1CRITICAL 9.8
- TI-2024-15086 WebCalendar v1.3.0 was discovered to contain a reflected cross-site scripting (XSS)… CVSS 3.1MEDIUM 6.1
- TI-2023-00274 Cross-site Scripting (XSS) - Stored in craigk5n/webcalendar CVSS 3.1MEDIUM 5.4
- TI-2012-01309 Local file inclusion in WebCalendar before 1.2.5. CVSS 3.1HIGH 8.8
- TI-2012-04558 install/index.php in Craig Knudsen WebCalendar before 1.2.5 allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2017-07941 Cross-site scripting in k5n.us WebCalendar CVSS 3.0MEDIUM 6.1
Sources
- CVE-2017-10841 · CVE Program
- CVE-2017-10841 · NVD
- FIRST EPSS
- GHSA-33c3-8653-qmxw · GitHub Advisory Database · CC BY 4.0
- CVE-2017-10841 · Red Hat security data · CC BY 4.0
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