Description
Cross-site scripting (XSS) vulnerability in export_handler.php in WebCalendar 1.0.4 and earlier allows remote attackers to inject arbitrary web script or HTML via the format parameter.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | webcalendar | 0.9.45-4sarge7 | DSA-1279-1 |
Advisories 1
- DSA-1279-1 webcalendar - missing input sanitising Debian Security (DSA / DLA) · Mar 9, 2026
References
- 2054 third-party-advisory
- 24974 third-party-advisory
- 23341 third-party-advisory
- ADV-2006-5067 vdb-entry
- DSA-1279 vendor-advisory
- 20061219 WebCalendar >=1.0 Cross-Site Scripting Vulnerabilities mailing-list