Medium 6.5Published Feb 3, 2026

CVE-2020-37077Booked Scheduler 2.7.7 - Authenticated Directory Traversal

Updated under an hour ago (Oct 26, 2026, 9:23 PM ET)

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Every CVE for Twinkle Toes Software Booked Scheduler

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Feb 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Twinkle Toes Software Booked Scheduler twinkle_toes_software:booked_scheduler (from the name)	2.7.7	CNA record

References

References

https://www.exploit-db.com/exploits/48428	exploit
https://www.bookedscheduler.com	product
https://web.archive.org/web/20190612055926/https://sourceforge.net/projects/phpscheduleit/	product
https://www.vulncheck.com/advisories/booked-scheduler-authenticated-directory-traversal	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.