TI-2026-04854 Aliases CVE-2026-5543 GHSA-xhx8-v4wm-937m

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

MEDIUM 57CWE-74Published 2026-04-05 · Updated 2026-04-06

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: SQL injection
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-89.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.002 9th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
PHPGurukul	User Registration & Login and User Management System	3.3	—	No fix listed	CNA

User Registration & Login and User Management System VendorPHPGurukul Affected 3.3 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:phpgurukul:user_registration_\&_login_and_user_management_system::::::::	—	—	PHPGurukul

cpe:2.3:a:phpgurukul:user_registration_\&_login_and_user_management_system:*:*:*:*:*:*:*:* Versions — — ·PHPGurukul

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-5543
2026-10-03 Alias added: GHSA-xhx8-v4wm-937m

References

Exploit 1

https://github.com/f1rstb100d/CVE/issues/4

Other 1

https://phpgurukul.com/

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TI-2025-35449 An issue in PHPGurukul Online-Library-Management-System v3.0 allows an attacker to escalate privileges via the index.php CVSS 3.1CRITICAL 9.8
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TI-2025-28899 A critical vulnerability was found in PHPGurukul User Registration & Login and User… CVSS 3.1CRITICAL 9.8
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See all 1121 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences