How severe is CVE-2025-67438?

CVE-2025-67438 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-67438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-67438?

CVE-2025-67438 affects Sync-in Sync-in Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-67438?

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

Does CVE-2025-67438 have an EU (EUVD) identifier?

Yes. CVE-2025-67438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207637.

When was CVE-2025-67438 published?

CVE-2025-67438 was published on 2026-02-20 and last updated on 2026-06-17.

CVE-2025-67438

CVE-2025-67438 is a medium-severity vulnerability in Sync-in Sync-in Server with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207637
Weakness: CWE-79
Affected product: Sync-in Sync-in Server
Published: 2026-02-20
Last modified: 2026-06-17

Description

A Stored Cross-Site Scripting (XSS) vulnerability in Sync-in Server before 1.9.3 allows an authenticated attacker to execute arbitrary JavaScript in a victim's browser. By uploading a crafted SVG file containing a malicious payload, an attacker can access and exfiltrate sensitive information, including the user's session cookies.

Frequently asked questions

What is CVE-2025-67438?: A Stored Cross-Site Scripting (XSS) vulnerability in Sync-in Server before 1.9.3 allows an authenticated attacker to execute arbitrary JavaScript in a victim's browser. By uploading a crafted SVG file containing a malicious payload, an attacker can access and exfiltrate sensitive information, including the user's session cookies.
How severe is CVE-2025-67438?: CVE-2025-67438 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-67438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-67438?: CVE-2025-67438 affects Sync-in Sync-in Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-67438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-67438 have an EU (EUVD) identifier?: Yes. CVE-2025-67438 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207637.
When was CVE-2025-67438 published?: CVE-2025-67438 was published on 2026-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sync-in:sync-in_server:*:*:*:*:*:*:*:*

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