What’s Vulnerable › Vulnerabilities

CVE-2021-47908: Ultimate POS 4.4 Persistent Cross-Site Scripting via Product Name

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-01 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• thewebfosters Unknown: 4.4

References

• https://ultimatefosters.com/docs/ultimatepos/
• https://www.vulncheck.com/advisories/ultimate-pos-persistent-cross-site-scripting-via-product-name
• https://www.vulnerability-lab.com/get_content.php?id=2296

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