Medium severity · published Apr 5, 2026
CVE-2026-5543
PHPGurukul User Registration & Login and User Management System yesterday-reg-users.php sql injection
6.3
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UR
User Registration & Login and User Management System · PHPGurukul
3.3 · source: vendor
Affected product
UR
User Registration & Login and User Management System
PHPGurukul
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5543
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5543
github.com
https://github.com/f1rstb100d/CVE/issues/4
phpgurukul.com
https://phpgurukul.com/
vuldb.com
https://vuldb.com/submit/782246
vuldb.com
https://vuldb.com/vuln/355296
vuldb.com
https://vuldb.com/vuln/355296/cti
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