Patchfirst
CVE-2025-48828 Public exploit Critical · 9.0 EPSS 57.3%

Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the…

vBulletin · vBulletin

Summary

A flaw in the Template Conditionals handling of the vBulletin template engine lets certain vBulletin versions run arbitrary PHP code. An attacker can do this by crafting template code that uses an alternative PHP function invocation syntax to bypass security checks, requiring only network access with no authentication or user interaction, though exploitation is conditional on a high-complexity setup.

Official description · CVE.org

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.

Breakdown
67.2 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 1 day before it was disclosed. Public exploit code (Metasploit) was available 4 days before disclosure.

  1. Public exploit codeMetasploit4 days before
  2. First seen exploitedVulnCheck KEV evidence1 day before
  3. Disclosedday 0

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

Also mentioned in 2 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

3 links, grouped by NVD tag
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