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Description

A weakness has been identified in PHPGurukul Online Course Registration 3.1. This vulnerability affects unknown code of the file /check_availability.php. Executing a manipulation of the argument cid can lead to sql injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.

PUBLISHED Reserved 2026-04-08 | Published 2026-04-08 | Updated 2026-04-09 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

SQL Injection

Injection

Product status

3.1
affected

Timeline

2026-04-08:Advisory disclosed
2026-04-08:VulDB entry created
2026-04-08:VulDB entry last update

References

vuldb.com/vuln/356261 (VDB-356261 | PHPGurukul Online Course Registration check_availability.php sql injection) vdb-entry technical-description

vuldb.com/vuln/356261/cti (VDB-356261 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/787686 (Submit #787686 | PHPGurukul Online Course Registration 3.1 SQL Injection) third-party-advisory

github.com/f1rstb100d/CVE/issues/20 exploit issue-tracking

phpgurukul.com/ product

cve.org (CVE-2026-5813)

nvd.nist.gov (CVE-2026-5813)

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