Auth bypass in Projectworlds Online Time Table Generator
CVE-2025-70146
Missing authentication in multiple administrative action scripts under /admin/ in ProjectWorlds Online Time Table Generator 1.0 allows remote attackers to perform unauthorized administrative operations (e.g.,adding records, deleting records) via direct HTTP requests to affected endpoints without a valid session.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Projectworlds Online Time Table Generator — versions 1.0
Weakness classification (CWE)
References
- projectworlds.com/online-time-table-generator-php-mysql/ (Product)
- youngkevinn.github.io/posts/CVE-2025-70146-OTTTG-Unauth-Deletion/ (Exploit, Third Party Advisory, Mitigation)
- 0x0bito.github.io/posts/CVE-2025-70146-OTTTG-Unauth-Deletion/
Frequently asked questions
- What is CVE-2025-70146?
- CVE-2025-70146 is a critical-severity vulnerability in Projectworlds Online Time Table Generator, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2026-02-18.
- How severe is CVE-2025-70146?
- Critical severity. CVSS v3 base score is 9.1 out of 10.