CVE-2011-4277

Cross-site scripting (XSS) vulnerability in CourseForum ProjectForum 7.0.1.3038 allows remote attackers to inject arbitrary web script or HTML via a crafted name of an object within a more object on a wiki page.

Published: 2011-11-03 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-4277 is rated Low Risk (36.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.92%). 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-2011-4277

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 2026-06-18 1.00% 0.92% -0.08%
2 2026-06-15 0.59% 1.00% +0.41%
3 2025-09-15 — 0.59% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-4277

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-2011-4277

Affected software / configurations for CVE-2011-4277

Vendor Product Version Raw CPE
courseforum projectforum 7.0.1.3038 cpe:2.3:a:courseforum:projectforum:7.0.1.3038:*:*:*:*:*:*:*

References for CVE-2011-4277

URL Tags
http://www.kb.cert.org/vuls/id/901251 US Government Resource
cvelogic Threat Intelligence