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 :
June 25, 2025, 4:46 p.m.
Source :
[email protected]
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.
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 | Exploit Third Party Advisory |
| https://kevintel.com/CVE-2025-48827 | Third Party Advisory |
| https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/ | Broken Link |
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
Critical Unauthenticated API Access in vBulletin
Python
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.
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Cyber Security News
Threat Actors Actively Exploiting Critical vBulletin Vulnerability in the Wild
A critical, unauthenticated remote code execution vulnerability in vBulletin forum software is now being actively exploited. The vulnerability, which impacts vBulletin versions 5.0.0 through 6.0.3, ha ... Read more
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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
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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
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.
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Initial Analysis by [email protected]
Jun. 25, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* versions from (including) 5.0.0 up to (including) 5.7.5 *cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* versions from (including) 6.0.0 up to (including) 6.0.3 Added Reference Type CISA-ADP: https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/ Types: Broken Link Added Reference Type MITRE: https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce Types: Exploit, Third Party Advisory Added Reference Type MITRE: https://kevintel.com/CVE-2025-48827 Types: Third Party Advisory -
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
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.