How severe is CVE-2025-59898?

CVE-2025-59898 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-59898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59898?

CVE-2025-59898 primarily affects Flexense Diskpulse. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59898?

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

Does CVE-2025-59898 have an EU (EUVD) identifier?

Yes. CVE-2025-59898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206498.

When was CVE-2025-59898 published?

CVE-2025-59898 was published on 2026-01-28 and last updated on 2026-06-17.

CVE-2025-59898

CVE-2025-59898 is a medium-severity vulnerability in Flexense Diskpulse with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v4: 5.1
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206498
Weakness: CWE-79
Affected product: Flexense Diskpulse
Published: 2026-01-28
Last modified: 2026-06-17

Description

Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in '/add_exclude_dir?sid=', affecting the 'exclude_dir' parameter.

Frequently asked questions

What is CVE-2025-59898?: Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a persistent authenticated Cross-Site Scripting (XSS) vulnerability. An attacker could send malicious content to an authenticated user and steal information from their session due to insufficient validation of user input in '/add_exclude_dir?sid=', affecting the 'exclude_dir' parameter.
How severe is CVE-2025-59898?: CVE-2025-59898 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-59898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59898?: CVE-2025-59898 primarily affects Flexense Diskpulse. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59898 have an EU (EUVD) identifier?: Yes. CVE-2025-59898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206498.
When was CVE-2025-59898 published?: CVE-2025-59898 was published on 2026-01-28 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-flexense-products

Affected products (2)

cpe:2.3:a:flexense:diskpulse:10.4.18:*:*:*:enterprise:*:*:*
cpe:2.3:a:flexense:syncbreeze:10.4.18:*:*:*:enterprise:*:*:*

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