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ExploitedNot in CISA KEV yet

CVE-2025-48827

Exploitation confirmed. First attested on 2025-07-31 by GCVE · kevintel, GCVE · shadowserver.

  • Published2025-05-27
  • WeaknessCWE-424

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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 by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.

Timeline

dates in UTC
  1. 2025-05-2704:15CVE publishedNVD
  2. 2025-07-3111:19Listed as exploited by GCVEGCVE
  3. 2025-07-3111:19Exploitation first reportedGCVE

Versions per branch

NVD
Vbulletin
BranchAffectedFixed in
5.x≥ 5.0.0, ≤ 5.7.5no fix published
6.0≥ 6.0.0, ≤ 6.0.3no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • vBulletinother versions: unknown
    Affected
    • ≥ 5.0.0, ≤ 5.7.5no fix statedcustom
    • ≥ 6.0.0, ≤ 6.0.3no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2025-05-27

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-01 01:02 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
1 moduleexploit/multi/http/vbulletin_replace_ad_template_rcerank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2025-05-27
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-23fp-mrfv-cwv4

Frequently asked questions

What is 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 by the /api.php?method=protectedMethod pattern, as exploited in the wild in May 2025.

Is CVE-2025-48827 actively exploited?

A proof-of-concept exploit exists for CVE-2025-48827, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-48827?

CVE-2025-48827 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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