CVE-2025-48827

criticalpriority · attend · 75EPSS 0.756 · 100 %ileexploit · weaponizedDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

4 exploits · weaponized

Likely / severe?

75.6% (100th) EPSS

CVSS 9.8 · critical

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.110criticalAV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.110criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · cve@mitre.org USexploitability 3.9 · impact 6

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-424USCWE-424US

exploits (4)

Public proof-of-concept and weaponised exploit code.

affected products (9)

Products and version ranges known to be affected.

vBulletin Connect 5.0.0-5.7.5all versionscert_bundDEcpe:/a:vbulletin:connect:5.0.0_-_5.7.5
vBulletin Connect 6.0.0-6.0.3all versionscert_bundDEcpe:/a:vbulletin:connect:6.0.0_-_6.0.3
vBulletin vBulletin≤ 6.0.0 ≤6.0.3enisa_euvdEU
vBulletin vBulletin≤ 5.0.0 ≤5.7.5enisa_euvdEU
PHP Group PHP≤ 8.1fstec_bduRU
vBulletin vBulletin5.0.0 → 5.7.5fstec_bduRU
vBulletin vBulletin6.0.0 → 6.0.3fstec_bduRU
vbulletin vbulletin5.0.0 → 5.7.5nvdUScpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
vbulletin vbulletin6.0.0 → 6.0.3nvdUScpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1148vBulletin Connect: Mehrere Schwachstellen ermöglichen CodeausführungDeutsch2025-05-26csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in vBulletin Connect ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2025-05-27modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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