CVE-2025-48828

What it 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, as exploited in the wild in May 2025.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

57.3% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2025-05-27 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2025-05-27 04:15 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 09:30 UTC Last updatedMost recent change to the record

Details

Published

2025-05-27 04:15 UTC

Last modified

2026-06-17 09:30 UTC

Exploit probability

57.3% · EPSS, next 30 days

Weakness

CWE-424

Record status

Analyzed

Affected

• Vbulletin 6.0.3

Attack profile CVSS 3.1 · 9.0

Attack vector

Network

Complexity

High

Privileges needed

None

User interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High