CVE-2025-45949Public exploitNetwork attack vector

Account takeover via preserved attacker-chosen session ID

Published Apr 28, 2025 · Updated Jul 25, 2026

Session fixation in PHPGurukul User Registration & Login and User Management System 3.3 allows remote attackers to take over user accounts. The /loginsystem/change-password.php component preserves an attacker-chosen PHPSESSID when the victim authenticates instead of issuing a new session identifier. The attacker must induce a victim to authenticate with the known identifier; the shared session then permits password changes and other account actions.

CVSS severity9.8
Critical
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Session fixation in PHPGurukul User Registration & Login and User Management System 3.3 allows remote attackers to take over user accounts. The /loginsystem/change-password.php component preserves an attacker-chosen PHPSESSID when the victim authenticates instead of issuing a new session identifier. The attacker must induce a victim to authenticate with the known identifier; the shared session then permits password changes and other account actions.

The record

CVE
CVE-2025-45949
Published
Apr 28, 2025
Updated
Jul 25, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-384, T1550.004
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-384Session Fixation
T1550.004Use Alternate Authentication Material: Web Session Cookie

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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