Description
phpBB contains an arbitrary file upload vulnerability that allows authenticated attackers to upload malicious files by exploiting the plupload functionality and phar:// stream wrapper. Attackers can upload a crafted zip file containing serialized PHP objects that execute arbitrary code when deserialized through the imagick parameter in attachment settings.
Published: 2026-04-05
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Sun, 05 Apr 2026 20:45:00 +0000

Type Values Removed Values Added
Description phpBB contains an arbitrary file upload vulnerability that allows authenticated attackers to upload malicious files by exploiting the plupload functionality and phar:// stream wrapper. Attackers can upload a crafted zip file containing serialized PHP objects that execute arbitrary code when deserialized through the imagick parameter in attachment settings.
Title phpBB Arbitrary File Upload via Phar Deserialization
First Time appeared Phpbb
Phpbb phpbb
Weaknesses CWE-22
CPEs cpe:2.3:a:phpbb:phpbb:3.2.3:*:*:*:*:*:*:*
Vendors & Products Phpbb
Phpbb phpbb
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

Phpbb Phpbb
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-05T20:45:33.893Z

Reserved: 2026-04-05T15:21:44.156Z

Link: CVE-2019-25685

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-05T21:16:47.140

Modified: 2026-04-05T21:16:47.140

Link: CVE-2019-25685

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses