Vulnerability record · CVE-2022-4455 · published 13 December 2022

CVE-2022-4455: Php-calendar cross-site scripting vulnerability

Php Calendar · Php Calendar

A vulnerability was identified in sproctor php-calendar up to 2.0.13. This impacts an unknown function of the file index.php. Such manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. The attack may be launched remotely. The name of the patch is a2941109b42201c19733127ced763e270a357809. It is advisable to implement a patch to correct this issue.

5.1 CVSS 4.0 Medium EPSS 0.60% · top 53.5% CWE-79 · Cross-site scriptingCWE-94 · Code injection

5.1CVSS 4.0 base score, v2 4.0

0.60%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

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

Php Calendar Php Calendar

References

Link	Tags
https://github.com/sproctor/php-calendar/commit/a2941109b42201c19733127ced763e270a357809	PatchThird Party Advisory
https://vuldb.com/?ctiid.215445
https://vuldb.com/?id.215445	Third Party Advisory
https://github.com/sproctor/php-calendar/commit/a2941109b42201c19733127ced763e270a357809	PatchThird Party Advisory
https://vuldb.com/?id.215445	Third Party Advisory

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2022-4455), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.