CVE-2011-5051

Multiple unrestricted file upload vulnerabilities in the WP Symposium plugin before 11.12.24 for WordPress allow remote attackers to execute arbitrary code by uploading a file with an executable extension using (1) uploadify/upload_admin_avatar.php or (2) uploadify/upload_profile_avatar.php, then accessing it via a direct request to the file in an unspecified directory inside the webroot.

Published: 2012-01-04 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-5051 is rated Moderate Risk (61.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.26%). 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-2011-5051

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 2025-12-28 3.76% 4.26% +0.50%
2 2025-12-27 4.26% 3.76% -0.50%
3 2025-10-28 — 4.26% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-5051

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2011-5051

Affected software / configurations for CVE-2011-5051

Vendor Product Version Raw CPE
wpsymposium wp_symposium <= 11.12.08 cpe:2.3:a:wpsymposium:wp_symposium:*:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.9.10 cpe:2.3:a:wpsymposium:wp_symposium:11.9.10:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.9.14 cpe:2.3:a:wpsymposium:wp_symposium:11.9.14:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.9.17 cpe:2.3:a:wpsymposium:wp_symposium:11.9.17:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.9.24 cpe:2.3:a:wpsymposium:wp_symposium:11.9.24:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.10.1 cpe:2.3:a:wpsymposium:wp_symposium:11.10.1:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.10.8 cpe:2.3:a:wpsymposium:wp_symposium:11.10.8:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.10.15 cpe:2.3:a:wpsymposium:wp_symposium:11.10.15:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.10.22 cpe:2.3:a:wpsymposium:wp_symposium:11.10.22:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.10.29 cpe:2.3:a:wpsymposium:wp_symposium:11.10.29:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.11.5 cpe:2.3:a:wpsymposium:wp_symposium:11.11.5:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.11.12 cpe:2.3:a:wpsymposium:wp_symposium:11.11.12:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.11.19 cpe:2.3:a:wpsymposium:wp_symposium:11.11.19:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.11.26 cpe:2.3:a:wpsymposium:wp_symposium:11.11.26:*:*:*:*:*:*:*
wpsymposium wp_symposium 11.12.03 cpe:2.3:a:wpsymposium:wp_symposium:11.12.03:*:*:*:*:*:*:*

References for CVE-2011-5051

cvelogic Threat Intelligence