Vulnerability in Vbulletin
CVE-2025-48828
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.576 (99.1th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.576 · newest: 0.576 · change: 0.000
Affected products
- Vbulletin — versions 6.0.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce (Exploit, Third Party Advisory)
- kevintel.com/CVE-2025-48828 (Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Broken Link)
Frequently asked questions
- What is CVE-2025-48828?
- CVE-2025-48828 is a critical-severity vulnerability in Vbulletin, classified under CWE-424. CVSS score: 9.0/10. Published 2025-05-27.
- How severe is CVE-2025-48828?
- Critical severity. CVSS v3 base score is 9.0 out of 10.
- Is CVE-2025-48828 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.