SQL Injection in Projectworlds Online Notes Sharing System
CVE-2026-4540
A vulnerability was detected in projectworlds Online Notes Sharing System 1.0. This issue affects some unknown processing of the file /login.php of the component Parameters Handler. The manipulation of the argument User results in sql inje…
EPSS: 0.000 (2.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Projectworlds Online Notes Sharing System — versions 1.0
Weakness classification (CWE)
References
- VDB-352357 | projectworlds Online Notes Sharing System Parameters login.php sql injection (technical-description, vdb-entry)
- VDB-352357 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #774686 | projectworlds Online Notes Sharing System 1.0 SQL Injection (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-4540?
- CVE-2026-4540 is a high-severity vulnerability in Projectworlds Online Notes Sharing System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-03-22.
- How severe is CVE-2026-4540?
- High severity. CVSS v3 base score is 7.3 out of 10.