CVE-2019-25685
phpBB Arbitrary File Upload via Phar Deserialization
CVSS Score
8.8
EPSS Score
0.1%
EPSS Percentile
22th
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.
| CWE | CWE-22 |
| Vendor | phpbb |
| Product | phpbb |
| Published | Apr 5, 2026 |
| Last Updated | Apr 6, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
phpBB / phpBB
3.2.3