What is CVE-2022-4271?

CVE-2022-4271 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-02.

How severe is CVE-2022-4271?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Enhancesoft Osticket

CVE-2022-4271

Cross-site Scripting (XSS) - Reflected in GitHub repository osticket/osticket prior to 1.16.4.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-12-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: +0.000

Affected products

Enhancesoft Osticket
Osticket Osticket/osticket — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

huntr.dev/bounties/a11c922f-255a-412a-aa87-7f3bd7121599 (Exploit, Patch, Third Party Advisory)
github.com/osticket/osticket/commit/5213ff138c6be6144a6692376ac0803a42eca168 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-4271?: CVE-2022-4271 is a medium-severity vulnerability in Enhancesoft Osticket, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2022-12-02.
How severe is CVE-2022-4271?: Medium severity. CVSS v3 base score is 5.4 out of 10.