How severe is CVE-2025-3489?

CVE-2025-3489 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-3489 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-3489?

CVE-2025-3489 affects Nababur Simple-user-management-system. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-3489?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-3489 have an EU (EUVD) identifier?

Yes. CVE-2025-3489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10495.

When was CVE-2025-3489 published?

CVE-2025-3489 was published on 2025-04-10 and last updated on 2026-06-17.

CVE-2025-3489

CVE-2025-3489 is a medium-severity vulnerability in Nababur Simple-user-management-system with a CVSS 3.x base score of 4.3. 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: Medium (CVSS 3.x base score 4.3)
CVSS v2: 5.0
CVSS v4: 5.3
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-10495
Weakness: CWE-79
Affected product: Nababur Simple-user-management-system
Published: 2025-04-10
Last modified: 2026-06-17

Description

A vulnerability was found in Nababur Simple-User-Management-System 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /register.php. The manipulation of the argument name/username leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-3489?: A vulnerability was found in Nababur Simple-User-Management-System 1.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /register.php. The manipulation of the argument name/username leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Other parameters might be affected as well. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-3489?: CVE-2025-3489 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-3489 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-3489?: CVE-2025-3489 affects Nababur Simple-user-management-system. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-3489?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-3489 have an EU (EUVD) identifier?: Yes. CVE-2025-3489 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-10495.
When was CVE-2025-3489 published?: CVE-2025-3489 was published on 2025-04-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nababur:simple-user-management-system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Nababur Simple-user-management-system

CVE-2025-63442 — Medium (CVSS 4.6): Simple User Management System with PHP-MySQL v1.0 is vulnerable to Cross-Site Scripting (XSS) via the Profile Section.…

All CVEs affecting Nababur Simple-user-management-system →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →