How severe is CVE-2025-69906?

CVE-2025-69906 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-69906 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-69906?

CVE-2025-69906 affects Monstra Monstra Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-69906?

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-2025-69906 have an EU (EUVD) identifier?

Yes. CVE-2025-69906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206862.

When was CVE-2025-69906 published?

CVE-2025-69906 was published on 2026-02-05 and last updated on 2026-06-17.

CVE-2025-69906

CVE-2025-69906 is a high-severity vulnerability in Monstra Monstra Cms with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206862
Weakness: CWE-434
Affected product: Monstra Monstra Cms
Published: 2026-02-05
Last modified: 2026-06-17

Description

Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager plugin. The application relies on blacklist-based file extension validation and stores uploaded files directly in a web-accessible directory. Under typical server configurations, this can allow an attacker to upload files that are interpreted as executable code, resulting in remote code execution.

Frequently asked questions

What is CVE-2025-69906?: Monstra CMS v3.0.4 contains an arbitrary file upload vulnerability in the Files Manager plugin. The application relies on blacklist-based file extension validation and stores uploaded files directly in a web-accessible directory. Under typical server configurations, this can allow an attacker to upload files that are interpreted as executable code, resulting in remote code execution.
How severe is CVE-2025-69906?: CVE-2025-69906 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-69906 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-69906?: CVE-2025-69906 affects Monstra Monstra Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-69906?: 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-2025-69906 have an EU (EUVD) identifier?: Yes. CVE-2025-69906 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206862.
When was CVE-2025-69906 published?: CVE-2025-69906 was published on 2026-02-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:monstra:monstra_cms:3.0.4:*:*:*:*:*:*:*

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