Vulnerability · Published Mar 22, 2026 · Assigned by VulDB
CVE-2026-4540projectworlds Online Notes Sharing System Parameters login.php sql injection
High 7.3
In plain English
A high-severity SQL injection in Online Notes Sharing System from projectworlds. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.4%top 69.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 injection. The attack can be executed remotely. The exploit is now public and may be used.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| projectworlds | Online Notes Sharing System | 1.0 |
Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-352357 | projectworlds Online Notes Sharing System Parameters login.php sql injection vdb-entry, technical-description
- 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
- https://github.com/juzidddd/CVE/issues/4 exploit, issue-tracking