CVE-2022-4455

Name: CVE-2022-4455
Creator: NVD / NIST
Published: 2022-12-13T18:15:10.83+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2022-4455 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. A vulnerability was identified in sproctor php-calendar up to 2.0.13. This impacts an unknown function of the file index.php. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

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

CVSS 4.0

5.1/10

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:X/V:X/RE:X/U:X

EPSS Probability

0.57%

42.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Php-Calendar	Php-Calendar	< 2022-04-28

References

https://github.com/sproctor/php-calendar/commit/a2941109b42201c19733127ced763e270a357809Patch, Third Party Advisory
https://vuldb.com/?ctiid.215445
https://vuldb.com/?id.215445Third Party Advisory
https://github.com/sproctor/php-calendar/commit/a2941109b42201c19733127ced763e270a357809Patch, Third Party Advisory
https://vuldb.com/?id.215445Third Party Advisory

Timeline

Published: Dec 13, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-4455?

How severe is CVE-2022-4455?

CVE-2022-4455 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2022-4455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-4455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST