CVE-2011-3816

WEBinsta mailing list manager 1.3e allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by install/install3.php and certain other files.

Published: 2011-09-24 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2011-3816 is rated Moderate Risk (45.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.33%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-3816

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2024-09-17 0.21% 0.33% +0.12%
2 2024-02-08 0.33% 0.21% -0.12%
3 2023-03-07 0.33%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-3816

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2011-3816

Affected software / configurations for CVE-2011-3816

Vendor Product Version Raw CPE
webinsta mailing_list_manager 1.3e cpe:2.3:a:webinsta:mailing_list_manager:1.3e:*:*:*:*:*:*:*

References for CVE-2011-3816

cvelogic Threat Intelligence