CVE-2025-60503: ultimatepos XSS — Exploit

Description

A cross-site scripting (XSS) vulnerability exists in the administrative interface of ultimatefosters UltimatePOS 4.8 where input submitted in the purchase functionality is reflected without proper escaping in the admin log panel page in the 'reference No.' field. This flaw allows an authenticated attacker to execute arbitrary JavaScript in the context of an administrator's browser session, which could lead to session hijacking or other malicious actions.

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CVSS v3.1 Score

8.7

HIGH

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
ultimatefosters	ultimatepos	All

References

Exploits

https://github.com/H4zaz/CVE-2025-60503

Other References

https://ultimatefosters.com

Frequently Asked Questions

What is CVE-2025-60503? +

A cross-site scripting (XSS) vulnerability exists in the administrative interface of ultimatefosters UltimatePOS 4.8 where input submitted in the purchase functionality is reflected without proper escaping in the admin log panel page in the 'reference No.' field. This flaw allows an authenticated attacker to execute arbitrary JavaScript in the context of an administrator's browser session, which could lead to session hijacking or other malicious actions. It has a CVSS v3.1 base score of 8.7 (HIGH).

How severe is CVE-2025-60503? +

CVE-2025-60503 has a CVSS v3.1 score of 8.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-60503? +

CVE-2025-60503 affects products from ultimatefosters, specifically: ultimatepos. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-60503? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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