CyberSecBulletin
CVE-2025-6038NVD status: Deferred

Lisfinity Core - Lisfinity Core plugin used…: Authorization Bypass Through User-Controlled Key

Published Updated By the CyberSecBulletin desk

CVE-2025-6038 is a high-severity authorization bypass through user-controlled key vulnerability in Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme from Pebas, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme versions: 1.4.0 and earlier. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.33% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme you run against the affected versions below, and install the vendor's latest release.

Affected products and versions

VendorProductAffected versionsFixed in
PebasLisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme1.4.0 and earlierNot stated

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (wordfence.com).

Official description

The Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme plugin for WordPress is vulnerable to privilege escalation via password update in all versions up to, and including, 1.4.0. This is due to the plugin not properly validating a user's identity prior to updating their password. This makes it possible for authenticated attackers, with Subscriber-level access and above, to change arbitrary user's passwords, including those of administrators.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Authorization Bypass Through User-Controlled Key

The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

How developers prevent this class of flaw

  • For each and every data access, ensure that the user has sufficient privilege to access the record that is being requested.
  • Make sure that the key that is used in the lookup of a specific user's record is not controllable externally by the user or that any tampering can be detected.
  • Use encryption in order to make it more difficult to guess other legitimate values of the key or associate a digital signature with the key so that the server can verify that there has been no tampering.

More Authorization Bypass Through User-Controlled Key vulnerabilities (CWE-639)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme

All Lisfinity Core - Lisfinity Core plugin used for pebas® Lisfinity WordPress theme vulnerabilities

Recent Authorization Bypass Through User-Controlled Key vulnerabilities

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