How severe is CVE-2025-34434?

CVE-2025-34434 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2025-34434 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34434?

CVE-2025-34434 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-34434?

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

Does CVE-2025-34434 have an EU (EUVD) identifier?

Yes. CVE-2025-34434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203951.

When was CVE-2025-34434 published?

CVE-2025-34434 was published on 2025-12-17 and last updated on 2026-06-17.

CVE-2025-34434

CVE-2025-34434 is a critical-severity vulnerability in Wwbn Avideo with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v4: 9.3
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-203951
Weakness: CWE-306
Affected product: Wwbn Avideo
Published: 2025-12-17
Last modified: 2026-06-17

Description

AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or delete images associated with any image-based video.

Frequently asked questions

What is CVE-2025-34434?: AVideo versions prior to 20.1 with the ImageGallery plugin enabled is vulnerable to unauthenticated file upload and deletion. Plugin endpoints responsible for managing gallery images fail to enforce authentication checks and do not validate ownership, allowing unauthenticated attackers to upload or delete images associated with any image-based video.
How severe is CVE-2025-34434?: CVE-2025-34434 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2025-34434 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34434?: CVE-2025-34434 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-34434?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-34434 have an EU (EUVD) identifier?: Yes. CVE-2025-34434 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-203951.
When was CVE-2025-34434 published?: CVE-2025-34434 was published on 2025-12-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*

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