CVE-2025-70146: projectworlds online_time_table_generator
Vulnerability summary
CVE-2025-70146 is a critical (CVSS 9.1) vulnerability in projectworlds online_time_table_generator. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 49.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 18-02-2026PublishedVulnerability first disclosed.
- 08-09-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
50%
Versus all other CVEs
30-day change
+0.07 pp
From 0.57% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (youngkevinn.github.io)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-306Missing Authentication for Critical FunctionThe product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Projectworlds1 product
1 vendor · 1 product
References
3 links- youngkevinn.github.io/posts/CVE-2025-70146-OTTTG-Unauth-Deletion/ExploitMitigationThird Party Advisory