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CVE-2026-47366

HIGH
7.2
CVSS Score
Published: June 12, 2026 at 02:27 AM UTC
Updated: June 17, 2026 at 10:54 AM UTC
1 product affected across 1 vendorphpBB

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Severity
HIGH7.2
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Improper verification of access permissions when modifying permissions through the Administration Control Panel (ACP) allowed an authenticated administrator to grant permissions beyond the level authorized for their account, resulting in privilege escalation within the administrative interface.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

phpBB· Phpbb Group
60%
3.3.0 ≤ v ≤ 3.3.163.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.phpbb.com/community/viewtopic.php?t=2672170

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHhackerone
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-284

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