Vulnerability · Published Apr 5, 2026 · Assigned by VulDB

CVE-2026-5543PHPGurukul User Registration & Login and User Management System yesterday-reg-users.php sql injection

Medium 6.3

In plain English

A medium-severity SQL injection in User Registration & Login and User Management System from PHPGurukul. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 90.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was identified in PHPGurukul User Registration & Login and User Management System 3.3. The affected element is an unknown function of the file /admin/yesterday-reg-users.php. The manipulation of the argument ID leads to sql injection. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.

Affected products (as reported)

Vendor	Product	Versions
PHPGurukul	User Registration & Login and User Management System	3.3

Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-355296 | PHPGurukul User Registration & Login and User Management System yesterday-reg-users.php sql injection vdb-entry, technical-description
VDB-355296 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #782246 | PHPGurukul User Registration & Login and User Management System With admin panel 3.3 SQL Injection third-party-advisory
https://github.com/f1rstb100d/CVE/issues/4 exploit, issue-tracking
https://phpgurukul.com/ product