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Vulnerability record · CVE-2023-0289 · published 13 January 2023

CVE-2023-0289: Webcalendar project webcalendar cross-site scripting vulnerability

WWebcalendar Project · Webcalendar

Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.

5.4 CVSS 3.1 Medium EPSS 0.53% · top 57.7% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.53%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/craigk5n/webcalendar/commit/7906b4924c2dc3727c3540682f432ebbb93f810d PatchThird Party Advisory
https://huntr.dev/bounties/b9584c87-60e8-4a03-9e79-5f1e2d595361 ExploitPatchThird Party Advisory
https://github.com/craigk5n/webcalendar/commit/7906b4924c2dc3727c3540682f432ebbb93f810d PatchThird Party Advisory
https://huntr.dev/bounties/b9584c87-60e8-4a03-9e79-5f1e2d595361 ExploitPatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2012-1495WebCalendar install/index.php pre-auth remote code executionWebCalendar before 1.2.5 passes the form_single_user_login parameter in install/index.php without adequate sanitisation, allowing injection that lead…EPSS 80%analysed8.8CVE-2012-1496Webcalendar project webcalendar injection vulnerabilityLocal file inclusion in WebCalendar before 1.2.5.EPSS 2.5%7.5CVE-2012-5385Webcalendar project webcalendar permissions and access controls vulnerabilityinstall/index.php in Craig Knudsen WebCalendar before 1.2.5 allows remote attackers to modify settings.php and possibly execute arbitrary code via ve…EPSS 2.2%6.1CVE-2024-22635Webcalendar project webcalendar cross-site scripting vulnerabilityWebCalendar v1.3.0 was discovered to contain a reflected cross-site scripting (XSS) vulnerability via the component /WebCalendarvqsmnseug2/edit_entry…EPSS 0.46%6.1CVE-2017-10840Webcalendar project webcalendar cross-site scripting vulnerabilityCross-site scripting vulnerability in WebCalendar 1.2.7 and earlier allows an attacker to inject arbitrary web script or HTML via unspecified vectors.EPSS 0.93%5.3CVE-2013-1422Webcalendar project webcalendar observable discrepancy vulnerabilitywebcalendar before 1.2.7 shows the reason for a failed login (e.g., "no such user").EPSS 1.6%4.9CVE-2017-10841Webcalendar project webcalendar path traversal vulnerabilityDirectory traversal vulnerability in WebCalendar 1.2.7 and earlier allows authenticated attackers to read arbitrary files via unspecified vectors.EPSS 2.4%4.3CVE-2013-1421Webcalendar project webcalendar cross-site scripting vulnerabilityCross-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…EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2023-0289), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.