CVE-2026-89245 WWBN CVE debrief

Who should care

Defenders responsible for AVideo installations, security teams assessing web application vulnerabilities, and administrators managing user playlists should be aware of this CSRF vulnerability and its potential impact.

Why it matters

This CSRF vulnerability in AVideo's playlistRemove.php allows attackers to delete user playlists, potentially disrupting user experience. Defenders should verify exposure, assess impact, and prioritize implementing CSRF protection checks.

• Potential deletion of user playlists
• Possible disruption of AVideo user experience
• Need for verification of AVideo installation exposure
• Priority for implementing CSRF protection checks

Technical summary

The vulnerability exists in playlistRemove.php of WWBN AVideo, allowing attackers to delete playlists via a crafted malicious form that submits a POST request, taking advantage of skipped CSRF protection checks. This CSRF vulnerability in AVideo's playlistRemove.php allows attackers to delete user playlists, potentially disrupting user experience. Defenders should prioritize verifying exposure of AVideo installations to this CSRF vulnerability and assess the potential impact of playlist deletion. The vulnerability has a CVSS score of 7.1 and is considered HIGH severity.

Defensive priority

Defenders should prioritize verifying exposure of AVideo installations to this CSRF vulnerability and assess the potential impact of playlist deletion.

Recommended defensive actions

• Verify AVideo installations for exposure to this CSRF vulnerability
• Assess the potential impact of playlist deletion on AVideo users
• Implement CSRF protection checks for playlist removal functionality
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but do not specify affected or fixed versions. Vendor remediation status is unknown. Defenders should verify exposure of AVideo installations to this CSRF vulnerability and assess the potential impact of playlist deletion. This includes reviewing the codebase for similar vulnerabilities, checking for any existing patches or updates, and implementing compensating controls to mitigate potential attacks.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.