CVE-2026-88868Network attack vector

Stored XSS via unsanitized live-link metadata

Published Sep 10, 2026 · Updated Sep 10, 2026

Stored XSS in AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 allows remote authenticated users to run script in viewers' browsers. The LiveLinks persistence and page-rendering path stores the title and description fields without sanitizing or encoding their untrusted contents. A user with canStream permission can plant script that executes within the site origin for every live-link visitor, including administrators.

CVSS severityUnavailable
Unscored
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 allows remote authenticated users to run script in viewers' browsers. The LiveLinks persistence and page-rendering path stores the title and description fields without sanitizing or encoding their untrusted contents. A user with canStream permission can plant script that executes within the site origin for every live-link visitor, including administrators.

The record

CVE
CVE-2026-88868
Published
Sep 10, 2026
Updated
Sep 10, 2026
Vendor
WWBN
Product
AVideo
Classifications
T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 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

No CVSS assessment is available in this record.

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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 exploitUnconfirmed

Weakness, pattern, technique

T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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