CVE-2026-89249Public exploitNetwork attack vectorHinoki check available

Administrator-session script execution via unescaped wallet data

Published Sep 11, 2026 · Updated Sep 11, 2026

Stored XSS in WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 allows remote authenticated users to execute admin-session script. YPTWallet base64-decodes a user-controlled CryptoWallet value, concatenates it into wallet_log.information without HTML escaping, and pendingRequests.php renders that field as HTML. Exploitation requires a logged-in user able to submit a manual withdrawal and an administrator to view pending requests; the resulting same-origin script can perform administrative actions.

CVSS severity9.3
Critical
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Stored XSS in WWBN AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 allows remote authenticated users to execute admin-session script. YPTWallet base64-decodes a user-controlled CryptoWallet value, concatenates it into wallet_log.information without HTML escaping, and pendingRequests.php renders that field as HTML. Exploitation requires a logged-in user able to submit a manual withdrawal and an administrator to view pending requests; the resulting same-origin script can perform administrative actions.

The record

CVE
CVE-2026-89249
Published
Sep 11, 2026
Updated
Sep 11, 2026
Vendor
WWBN
Product
AVideo
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 11, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 11, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=c3edcc274c389816d434acadac07ee78eaf330c1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

WWBN · AVideoversion=0 <=c3edcc274c389816d434acadac07ee78eaf330c1

Published CVSS scores

8.7VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
9.3VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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