Login Request a demo
High severity · published Apr 8, 2026
CVE-2026-5813
PHPGurukul Online Course Registration check_availability.php sql injection
7.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 18% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OC
Online Course Registration · PHPGurukul
3.1 · source: vendor
Affected product
OC
Online Course Registration
PHPGurukul
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5813
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5813
github.com
https://github.com/f1rstb100d/CVE/issues/20
phpgurukul.com
https://phpgurukul.com/
vuldb.com
https://vuldb.com/submit/787686
vuldb.com
https://vuldb.com/vuln/356261
vuldb.com
https://vuldb.com/vuln/356261/cti
More from Online Course Registration
9.8
CVE-2025-10663
PHPGurukul Online Course Registration my-profile.php sql injection
9.8
CVE-2025-10025
PHPGurukul Online Course Registration semester.php sql injection
9.8
CVE-2025-9729
PHPGurukul Online Course Registration student-registration.php sql injection
9.8
CVE-2025-9307
PHPGurukul Online Course Registration session.php sql injection
9.8
CVE-2025-4794
PHPGurukul Online Course Registration news.php sql injection