CVE-2011-0050

Cross-site scripting (XSS) vulnerability in the nonjs interface (interfaces/nonjs.pm) in CGI:IRC before 0.5.10 allows remote attackers to inject arbitrary web script or HTML via the R parameter.

Published: 2011-02-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0050 is rated Moderate Risk (48.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.66%). EPSS rose +2.22% over the last day, indicating growing attacker interest. 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-2011-0050

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 2026-06-15 0.44% 2.66% +2.22%
2 2025-03-30 0.64% 0.44% -0.20%
3 2025-03-29 — 0.64% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0050

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/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:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-0050

OS Trackers for CVE-2011-0050

vendor priority summary link
ubuntu medium CVE-2011-0050 medium priority: Ubuntu including 1 source packages (cgiirc), 6 status rows across 6 suites (dapper, hardy, karmic, lucid, maverick, upstream): released 5, ignored 1. https://ubuntu.com/security/CVE-2011-0050

Affected software / configurations for CVE-2011-0050

Vendor Product Version Raw CPE
cgiirc cgi:irc <= 0.5.9 cpe:2.3:a:cgiirc:cgi\:irc:*:*:*:*:*:*:*:*
cgiirc cgi:irc 0.1 cpe:2.3:a:cgiirc:cgi\:irc:0.1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.2 cpe:2.3:a:cgiirc:cgi\:irc:0.2:*:*:*:*:*:*:*
cgiirc cgi:irc 0.2.1 cpe:2.3:a:cgiirc:cgi\:irc:0.2.1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3 cpe:2.3:a:cgiirc:cgi\:irc:0.3:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.1 cpe:2.3:a:cgiirc:cgi\:irc:0.3.1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.2 cpe:2.3:a:cgiirc:cgi\:irc:0.3.2:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.3 cpe:2.3:a:cgiirc:cgi\:irc:0.3.3:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.3_pre1 cpe:2.3:a:cgiirc:cgi\:irc:0.3.3_pre1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.4 cpe:2.3:a:cgiirc:cgi\:irc:0.3.4:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.5 cpe:2.3:a:cgiirc:cgi\:irc:0.3.5:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.5b cpe:2.3:a:cgiirc:cgi\:irc:0.3.5b:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.6 cpe:2.3:a:cgiirc:cgi\:irc:0.3.6:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3.7 cpe:2.3:a:cgiirc:cgi\:irc:0.3.7:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3_pre1 cpe:2.3:a:cgiirc:cgi\:irc:0.3_pre1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.3_pre2 cpe:2.3:a:cgiirc:cgi\:irc:0.3_pre2:*:*:*:*:*:*:*
cgiirc cgi:irc 0.4 cpe:2.3:a:cgiirc:cgi\:irc:0.4:*:*:*:*:*:*:*
cgiirc cgi:irc 0.4.1 cpe:2.3:a:cgiirc:cgi\:irc:0.4.1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.4.2 cpe:2.3:a:cgiirc:cgi\:irc:0.4.2:*:*:*:*:*:*:*
cgiirc cgi:irc 0.4.3 cpe:2.3:a:cgiirc:cgi\:irc:0.4.3:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5 cpe:2.3:a:cgiirc:cgi\:irc:0.5:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.1 cpe:2.3:a:cgiirc:cgi\:irc:0.5.1:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.2 cpe:2.3:a:cgiirc:cgi\:irc:0.5.2:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.3 cpe:2.3:a:cgiirc:cgi\:irc:0.5.3:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.4 cpe:2.3:a:cgiirc:cgi\:irc:0.5.4:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.5 cpe:2.3:a:cgiirc:cgi\:irc:0.5.5:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.6 cpe:2.3:a:cgiirc:cgi\:irc:0.5.6:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.7 cpe:2.3:a:cgiirc:cgi\:irc:0.5.7:*:*:*:*:*:*:*
cgiirc cgi:irc 0.5.8 cpe:2.3:a:cgiirc:cgi\:irc:0.5.8:*:*:*:*:*:*:*

References for CVE-2011-0050

cvelogic Threat Intelligence