Booked Scheduler 2.7.7 - Authenticated Directory Traversal
Priority MEDIUM 64CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
Booked Scheduler 2.7.7 contains a directory traversal vulnerability in the manage_email_templates.php script that allows authenticated administrators to access unauthorized files. Attackers can exploit the vulnerable 'tn' parameter to read files outside the intended directory by manipulating directory path traversal techniques.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00715 53rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| Twinkle Toes Software | Booked Scheduler | 2.7.7 | — | No fix listed | CNA |
- Booked Scheduler VendorTwinkle Toes Software Affected 2.7.7 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-37077
- 2026-10-03 Alias added: GHSA-pw32-4hxv-cxrf
References
More Twinkle Toes Software vulnerabilities
- TI-2023-09836 Booked Scheduler 2.5.5 allows authenticated users to create and schedule events for any… CVSS 3.1MEDIUM 4.3
- TI-2019-07000 phpscheduleit Booked Scheduler 2.7.5 allows arbitrary file upload via the Favicon field… CVSS 3.1HIGH 8.8
- TI-2022-12842 Open redirect in Twinkle Toes Software Booked CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-37077 · CVE Program
- CVE-2020-37077 · NVD
- FIRST EPSS
- GHSA-pw32-4hxv-cxrf · 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