CVE-2009-1907

Exp

Cross-site scripting (XSS) vulnerability in claroline/linker/notfound.php in Claroline 1.8.11 allows remote attackers to inject arbitrary web script or HTML via the Referer HTTP header.

Published: 2009-06-04 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-1907 is rated High Exploit Risk (62.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.24%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2009-1907

EDB-ID Source Kind Published Link
32991 exploit_db edb 2009-05-08 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-1907

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 2026-06-04 3.33% 3.24% -0.08%
2 2026-04-18 2.76% 3.33% +0.57%
3 2025-03-30 2.76%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-1907

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-2009-1907

Affected software / configurations for CVE-2009-1907

Vendor Product Version Raw CPE
claroline claroline 1.8.11 cpe:2.3:a:claroline:claroline:1.8.11:*:*:*:*:*:*:*

References for CVE-2009-1907

cvelogic Threat Intelligence