CVE-2011-4553

Multiple open redirect vulnerabilities in One Click Orgs before 1.2.3 allow (1) remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via the return_to parameter, and allow (2) remote authenticated users to redirect users to arbitrary web sites and conduct phishing attacks via crafted characters in the domain name of a subdomain.

Published: 2011-12-06 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4553 is rated Low Risk (37.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.22%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2011-4553

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 2025-03-30 0.27% 0.22% -0.04%
2 2025-03-29 0.22% 0.27% +0.04%
3 2025-03-17 — 0.22% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4553

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2011-4553

Affected software / configurations for CVE-2011-4553

Vendor Product Version Raw CPE
oneclickorgs one_click_orgs <= 1.2.2 cpe:2.3:a:oneclickorgs:one_click_orgs:*:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.0.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.0.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.0.1:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.1.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.1.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.1.1:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.2.0 cpe:2.3:a:oneclickorgs:one_click_orgs:1.2.0:*:*:*:*:*:*:*
oneclickorgs one_click_orgs 1.2.1 cpe:2.3:a:oneclickorgs:one_click_orgs:1.2.1:*:*:*:*:*:*:*

References for CVE-2011-4553

cvelogic Threat Intelligence