Which products and versions are affected by CVE-2025-48828?

Affected: vBulletin versions 6.0.3, >= 6.0.3. The full list is in the CVE brief.

Is CVE-2025-48828 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 26, 2025.

Is CVE-2025-48828 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2025-48828?

Public exploit code is available.

Is there a fix for CVE-2025-48828?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2025-48828 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2025-48828

HighExploitedPublic exploit

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

Published May 27, 2025 · Updated Jun 25, 2025

Key Facts

Patch immediately

CVE-2025-48828 is a high-severity vulnerability (CVSS 8.1 v3.1) affecting vBulletin.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 26, 2025. Public exploit code is available.
EPSS estimates a 58% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

8.1

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

58%

Higher than 99.0% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2025-48828 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	May 26, 2025	n/a	Not reported
CIRCL KEV	May 27, 2025	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
vBulletinVbulletin	6.0.3, >= 6.0.3	n/a

Timeline

Added to Industry KEV feed
May 26, 2025
Publicly disclosed
May 27, 2025
Added to CIRCL KEV
May 27, 2025
Last updated
Jun 25, 2025

Weakness Type

CWE-424 Improper Protection of Alternate Path

References

advisoryhttps://kevintel.com/CVE-2025-48828
exploitVulnCheck exploitation report
exploitMSF vbulletin_replace_ad_template_rce.rb
exploitVulnCheck exploitation report
exploithttps://karmainsecurity.com/dont-call-that-protected-method-vbulletin-rce

2 more references in the full CVE brief

FAQ

Common Questions.

Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing Template Conditionals in the template engine.
Affected: vBulletin versions 6.0.3, >= 6.0.3. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since May 26, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2025-48828 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.