Is CVE-2013-1421 actively exploited?

CVE-2013-1421 has no public evidence of in-the-wild exploitation as of 2025-04-12.

What is the CVSS score for CVE-2013-1421?

CVE-2013-1421 has a CVSS score of 4.3 (UNKNOWN severity). Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N.

How do I patch CVE-2013-1421?

Patch guidance is available from webcalendar project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2013-1421.

CVE-2013-1421 - remediation guidance & executive summary

Q: Which products are affected by CVE-2013-1421?

16 products: webcalendar project webcalendar, webcalendar project webcalendar, webcalendar project webcalendar, webcalendar project webcalendar, webcalendar project webcalendar, and 11 more.

Description

Cross-site scripting (XSS) vulnerability in Craig Knudsen WebCalendar before 1.2.5, 1.2.6, and other versions before 1.2.7 allows remote attackers to inject arbitrary web script or HTML via the Category Name field to category.php.

CVSS Metrics

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector: network
Access Cmplx: medium
Auth: none
Confidentiality: none
Integrity: partial
Availability: none
Weaknesses: CWE-79 · Cross-site Scripting (XSS)

Metadata

Primary Vendor: WEBCALENDAR_PROJECT
Published: 4/22/2014
Last Modified: 4/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

webcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendarwebcalendar_project : webcalendar

Remediation Guidance

Executive Summary

View on NIST NVD