Phpbb
CVE-2019-11767
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Credential Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could make the server perform requests to unintended internal or external resources by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Server side request forgery (SSRF) in phpBB before 3.2.6 allows checking for the existence of files and services on the local network of the host through the remote avatar upload function. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in composer
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. Server side request forgery (SSRF) in phpBB before 3.2.6 allows checking for the existence of files and services on the local network of the host through the remote avatar upload function. Affected products include: Phpbb. Version information: before 3.2.6.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Server side request forgery (SSRF) in phpBB before 3.2.6 allows checking for the existence of files and services on the local network of the host through the remote avatar upload function.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.
Affected Products (CPE)NVD
Account hijacking in phpBB is possible due to improper authentication checks in the OAuth implementation, affecting defa
Passing an absolute path to a file_exists check in phpBB before 3.2.4 allows Remote Code Execution through Object Inject
phpBB version 3.2.7 allows the stealing of an Administration Control Panel session id by leveraging CSRF in the Remote A
In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in
Reflected cross-site scripting in phpBB's registration module allows an unauthenticated remote attacker to execute scrip
Host header injection in phpBB versions 3.0.0 through 3.3.15 enables password reset link poisoning when force_server_var
Account takeover in phpBB via OAuth state-verification flaw enables remote attackers to link a victim's forum account to
The fulltext search component in phpBB before 3.2.6 allows Denial of Service. Rated high severity (CVSS 7.5), this vulne
Privilege escalation in phpBB allows an authenticated administrator with limited rights to grant themselves permissions
The message_options function in includes/ucp/ucp_pm_options.php in phpBB before 3.0.13 does not properly validate the fo
phpBB 3.2.8 allows a CSRF attack that can approve pending group memberships. Rated medium severity (CVSS 6.5), this vuln
Open redirect vulnerability in phpBB before 3.0.14 and 3.1.x before 3.1.4 allows remote attackers to redirect users of G
GitHub PoC
Exploit-DB