CVE-2019-25685

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.exploit-db.com/exploits/46512	Exploit VDB Entry
https://www.vulncheck.com/advisories/phpbb-arbitrary-file-upload-via-phar-deserialization	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:phpbb:phpbb:*:*:*:*:*:*:*:*

History

09 Apr 2026, 19:07

Type	Values Removed	Values Added
CPE		cpe:2.3:a:phpbb:phpbb::::::::
First Time		Phpbb Phpbb phpbb
References	~~() https://www.exploit-db.com/exploits/46512 -~~	() https://www.exploit-db.com/exploits/46512 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/phpbb-arbitrary-file-upload-via-phar-deserialization -~~	() https://www.vulncheck.com/advisories/phpbb-arbitrary-file-upload-via-phar-deserialization - Third Party Advisory

05 Apr 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-05 21:16

Updated : 2026-04-09 19:07

NVD link : CVE-2019-25685

Mitre link : CVE-2019-25685

CVE.ORG link : CVE-2019-25685

JSON object : View

Products Affected

phpbb

phpbb

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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