CVE-2025-45949: A critical vulnerability was found in PHPGurukul User Registration & Login and User Management System V3.3 in

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-45949 is a critical-severity flaw (CVSS 9.8) affecting user registration \& login and user management system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A critical vulnerability was found in PHPGurukul User Registration & Login and User Management System V3.3 in the /loginsystem/change-password.php file of the user panel - Change Password component. Improper handling of session data allows a Session Hijacking attack, exploitable remotely and leading to account takeover.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-384
Published	2025-04-28
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: phpgurukul

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-04-28 20:15 UTCPublished CVE record published
2026-07-05 01:21 UTCUpdated Record last modified

phpgurukul user registration \& login and user management system DOWNGRADE

Affected: 3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.3

1. Check installed version

apt-cache policy user-registration--login-and-user-management-system || rpm -q user-registration--login-and-user-management-system || user-registration--login-and-user-management-system --version

2. No fixed release: DOWNGRADE to a release before 3.3 (Debian / Ubuntu)

apt-cache madison user-registration--login-and-user-management-system sudo apt install user-registration--login-and-user-management-system=<VERSION_BEFORE_3.3> sudo apt-mark hold user-registration--login-and-user-management-system

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list user-registration--login-and-user-management-system sudo dnf downgrade user-registration--login-and-user-management-system-<VERSION_BEFORE_3.3> sudo dnf versionlock add user-registration--login-and-user-management-system

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-45949?

user registration \& login and user management system: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-45949 being exploited?

CVE-2025-45949 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-45949 affect?

CVE-2025-45949 affects user registration \& login and user management system. Severity is critical (CVSS 9.8). A critical vulnerability was found in PHPGurukul User Registration & Login and User Management System V3.3 in the /loginsystem/change-password.php file of the user panel - Change Password component. Improper handling of session data allows

How urgent is CVE-2025-45949?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

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References

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