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TI-2024-01017 Aliases CVE-2024-1097GHSA-8j99-75gr-3jf5

Stored XSS in craigk5n/webcalendar

Priority MEDIUM 58CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

A stored cross-site scripting (XSS) vulnerability exists in craigk5n/webcalendar version 1.3.0. The vulnerability occurs in the 'Report Name' input field while creating a new report. An attacker can inject malicious scripts, which are then executed in the context of other users who view the report, potentially leading to the theft of user accounts and cookies.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00341 27th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
craigk5ncraigk5n/webcalendarup to latest—No fix listedCNA
  • craigk5n/webcalendar Vendorcraigk5n Affected up to latest Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:k5n:webcalendar:1.3.0:*:*:*:*:*:*:*1.3.0VulnerableK5n
  • cpe:2.3:a:k5n:webcalendar:1.3.0:*:*:*:*:*:*:* Versions 1.3.0 Vulnerable ·K5n

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-1097
  2. 2026-10-03 Alias added: GHSA-8j99-75gr-3jf5

References

  • TI-2007-01425 Multiple PHP remote file inclusion vulnerabilities in WebCalendar 0.9.45 allow remote… CVSS 2.0HIGH 7.5
  • TI-2008-02710 PHP remote file inclusion vulnerability in send_reminders.php in WebCalendar 1.0.4 allows… CVSS 2.0HIGH 7.5
  • TI-2010-00607 Cross-site request forgery (CSRF) vulnerability in WebCalendar 1.2.0 allows remote… CVSS 2.0MEDIUM 6.8
  • TI-2010-00606 Multiple cross-site request forgery (CSRF) vulnerabilities in WebCalendar 1.2.0, and… CVSS 2.0MEDIUM 6.8
  • TI-2011-03371 WebCalendar 1.2.3, and other versions before 1.2.5, allows remote attackers to obtain… CVSS 2.0MEDIUM 5.0
  • TI-2012-00781 Cross-site scripting (XSS) vulnerability in Craig Knudsen WebCalendar 1.2.4 allows remote… CVSS 2.0MEDIUM 4.3
See all 7 →

Sources