CVE-2010-0349

Cross-site scripting (XSS) vulnerability in C3 Corp. WebCalenderC3 0.32 and earlier allows remote attackers to inject arbitrary web script or HTML via unknown vectors. NOTE: this issue could not be reproduced by the vendor, but a patch was provided anyway. The original researcher is reliable.

Published: 2010-01-15 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2010-0349 is rated Low Risk (39/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.06%). Mandatory action: 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-2010-0349

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 0.36% 1.06% +0.71%
2 2025-03-17 0.25% 0.36% +0.10%
3 2024-09-17 0.25%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2010-0349

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-2010-0349

Affected software / configurations for CVE-2010-0349

Vendor Product Version Raw CPE
c-3.co.jp webcalenderc3 <= 0.32 cpe:2.3:a:c-3.co.jp:webcalenderc3:*:*:*:*:*:*:*:*
c-3.co.jp webcalenderc3 0.31 cpe:2.3:a:c-3.co.jp:webcalenderc3:0.31:*:*:*:*:*:*:*
c-3.co.jp webcalenderc3 0.31 cpe:2.3:a:c-3.co.jp:webcalenderc3:0.31:s2:*:*:*:*:*:*

References for CVE-2010-0349

cvelogic Threat Intelligence