vBulletin 6.0.3 Template improper protection of alternate path

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in vBulletin 6.0.3. Affected by this issue is some unknown functionality of the component Template Handler. This manipulation causes improper protection of alternate path. This vulnerability appears as CVE-2025-48828. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability has been found in vBulletin 6.0.3 and classified as critical. Affected by this vulnerability is some unknown functionality of the component Template Handler. The manipulation with an unknown input leads to a improper protection of alternate path vulnerability. The CWE definition for the vulnerability is CWE-424. The product does not sufficiently protect all possible paths that a user can take to access restricted functionality or resources. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine. By crafting template code in an alternative PHP function invocation syntax, such as the "var_dump"("test") syntax, attackers can bypass security checks and execute arbitrary PHP code.

The advisory is shared at karmainsecurity.com. This vulnerability is known as CVE-2025-48828 since 05/27/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/25/2025).

It is declared as attacked.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

CNA Base Score: 9.0
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper protection of alternate path
CWE: CWE-424
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Attacked

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/27/2025 Advisory disclosed
05/27/2025 +0 days CVE reserved
05/27/2025 +0 days VulDB entry created
06/25/2025 +29 days VulDB entry last update

Sourcesinfo

Advisory: karmainsecurity.com
Status: Confirmed

CVE: CVE-2025-48828 (🔒)
GCVE (CVE): GCVE-0-2025-48828
GCVE (VulDB): GCVE-100-310333
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/27/2025 07:39
Updated: 06/25/2025 18:46
Changes: 05/27/2025 07:39 (61), 05/27/2025 10:29 (1), 06/04/2025 15:41 (6), 06/25/2025 18:46 (11)
Complete: 🔍
Cache ID: 216::103

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