What is CVE-2021-47908?

CVE-2021-47908 is a medium-severity vulnerability in Thewebfosters Unknown, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-01.

How severe is CVE-2021-47908?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Thewebfosters Unknown

CVE-2021-47908

Ultimate POS 4.4 contains a persistent cross-site scripting vulnerability in the product name parameter that allows remote attackers to inject malicious scripts. Attackers can exploit the vulnerability through product add or edit functions to execute arbitrary JavaScript and potentially hijack user sessions.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Thewebfosters Unknown — versions 4.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47908?: CVE-2021-47908 is a medium-severity vulnerability in Thewebfosters Unknown, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-01.
How severe is CVE-2021-47908?: Medium severity. CVSS v3 base score is 6.4 out of 10.