10.0
CRITICAL
CVE-2025-48827
vBulletin Unauthenticated API Controller Method Invocation Vulnerability
Description

vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.

INFO

Published Date :

May 27, 2025, 4:15 a.m.

Last Modified :

May 28, 2025, 3:01 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2025-48827 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2025-48827 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Vbulletin vbulletin
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-48827.

URL Resource
https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
https://kevintel.com/CVE-2025-48827
https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Vbullettin RCE - CVE-2025-48827

Python

Updated: 1 day, 1 hour ago
0 stars 0 fork 0 watcher
Born at : May 31, 2025, 3:23 p.m. This repo has been linked 1 different CVEs too.

Critical Unauthenticated API Access in vBulletin

Python

Updated: 1 day, 18 hours ago
4 stars 0 fork 0 watcher
Born at : May 29, 2025, 8:50 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-48827 vulnerability anywhere in the article.

  • security.nl
Kritieke beveiligingslekken in forumsoftware vBulletin actief misbruikt

Aanvallers maken actief misbruik van twee kritieke kwetsbaarheden in de populaire forumsoftware vBulletin, zo melden het Amerikaanse National Institute of Standards and Technology (NIST), Qualys en KE ... Read more

Published Date: May 31, 2025 (1 day, 10 hours ago)
  • BleepingComputer
Hackers are exploiting critical flaw in vBulletin forum software

Two critical vulnerabilities affecting the open-source forum software vBulletin have been discovered, with one confirmed to be actively exploited in the wild. The flaws, tracked under CVE-2025-48827 a ... Read more

Published Date: May 30, 2025 (1 day, 21 hours ago)

The following table lists the changes that have been made to the CVE-2025-48827 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 27, 2025

    Action Type Old Value New Value
    Added Reference https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/
    Removed Reference https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    May. 27, 2025

    Action Type Old Value New Value
    Added Reference https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
  • CVE Modified by [email protected]

    May. 27, 2025

    Action Type Old Value New Value
    Changed Description vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern. vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.
    Added Reference https://kevintel.com/CVE-2025-48827
  • New CVE Received by [email protected]

    May. 27, 2025

    Action Type Old Value New Value
    Added Description vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to invoke protected API controllers' methods when running on PHP 8.1 or later, as demonstrated by the /api.php?method=protectedMethod pattern.
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Added CWE CWE-424
    Added Reference https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-48827 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-48827 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jun. 01, 2025 17:11