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CVE-2026-33351

Wwbn Avideo server-side request forgery (SSRF)

9.1 CRITICALPublic exploitEPSS 0.54%
  1. Published23 Mar 2026

Description

WWBN AVideo is an open source video platform. Prior to version 26.0, a Server-Side Request Forgery (SSRF) vulnerability exists in `plugin/Live/standAloneFiles/saveDVR.json.php`. When the AVideo Live plugin is deployed in standalone mode (the intended configuration for this file), the `$_REQUEST['webSiteRootURL']` parameter is used directly to construct a URL that is fetched server-side via `file_get_contents()`. No authentication, origin validation, or URL allowlisting is performed. Version 26.0 contains a patch for the issue.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Wwbn Avideo< 26.0

Remediation

Fixed in
Wwbn Avideo≥ 26.0

References

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Frequently asked

Is CVE-2026-33351 being actively exploited?

CVE-2026-33351 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.54%.

How severe is CVE-2026-33351?

CVE-2026-33351 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.54% probability of exploitation.

Which products are affected by CVE-2026-33351?

Affected products include Wwbn Avideo.

How do I fix CVE-2026-33351?

Upgrade affected software to a fixed version, for example Wwbn Avideo 26.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-33351 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.