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TI-2025-31014 Aliases CVE-2025-48827GHSA-23fp-mrfv-cwv4

vBulletin 5.0.0 through 5.7.5 and 6.0.0 through 6.0.3 allows unauthenticated users to…

Priority CRITICAL 88CWE-424Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.75638 99th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
vBulletinvBulletin5.0.0 – 5.7.5; 6.0.0 – 6.0.3—No fix listedCNA
  • vBulletin VendorvBulletin Affected 5.0.0 – 5.7.5; 6.0.0 – 6.0.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*5.0.0 – 5.7.5; 6.0.0 – 6.0.3VulnerablevBulletin
  • cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.7.5; 6.0.0 – 6.0.3 Vulnerable ·vBulletin

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-48827
  2. 2026-10-03 Alias added: GHSA-23fp-mrfv-cwv4

References

  • TI-2020-13248 vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data… KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-12540 vBulletin 5.x through 5.5.4 allows remote command execution via the widgetConfig[code]… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10114 vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control. CVSS 3.1CRITICAL 9.8
  • TI-2023-10600 vBulletin before 5.6.9 PL1 allows an unauthenticated remote attacker to execute arbitrary… CVSS 3.1CRITICAL 9.8
  • TI-2016-05317 SQL injection vulnerability in forumrunner/includes/moderation.php in vBulletin before… CVSS 3.0CRITICAL 9.8
  • TI-2025-31015 Certain vBulletin versions might allow attackers to execute arbitrary PHP code by abusing… CVSS 3.1CRITICAL 9.0
See all 49 →

Sources