How severe is CVE-2025-60503?

CVE-2025-60503 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-60503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-60503?

CVE-2025-60503 affects Ultimatefosters Ultimatepos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-60503?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-60503 have an EU (EUVD) identifier?

Yes. CVE-2025-60503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37504.

When was CVE-2025-60503 published?

CVE-2025-60503 was published on 2025-11-03 and last updated on 2026-06-17.

CVE-2025-60503

CVE-2025-60503 is a high-severity vulnerability in Ultimatefosters Ultimatepos with a CVSS 3.x base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 8.7)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37504
Weakness: CWE-79
Affected product: Ultimatefosters Ultimatepos
Published: 2025-11-03
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-60503?: CVE-2025-60503 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-60503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-60503?: CVE-2025-60503 affects Ultimatefosters Ultimatepos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-60503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-60503 have an EU (EUVD) identifier?: Yes. CVE-2025-60503 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37504.
When was CVE-2025-60503 published?: CVE-2025-60503 was published on 2025-11-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ultimatefosters:ultimatepos:4.8:*:*:*:*:*:*:*

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