High severity · published May 27, 2025
CVE-2025-48828
Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine
8.1
CVSS
57.3%
EPSS
No
On KEV
Description
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, as exploited in the wild in May 2025.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)57.3% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VB
vBulletin · vBulletin
6.0.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-48828
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-48828
Exploit
https://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce
Third Party Advisory
https://kevintel.com/CVE-2025-48828
Broken Link
https://blog.kevintel.com/vbulletin-replaceadtemplate-kev/
More from vBulletin
9.8
CVE-2020-17496
vBulletin PHP Module Remote Code Execution Vulnerability
9.8
CVE-2019-16759
vBulletin PHP Module Remote Code Execution Vulnerability
9.8
CVE-2026-61511
vBulletin < 6.2.2 Eval Injection RCE via vb5/template/runtime.php
9.8
CVE-2025-48827
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…
9.8
CVE-2023-25135
vBulletin before 5.6.9 PL1 allows an unauthenticated remote attacker to execute arbitrary code via a crafted HTTP request that triggers deserialization