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Medium, CVSS 6.1

AVideo has Stored XSS via Unescaped Menu Item Fields in TopMenu Plugin

GHSA-gmpc-fxg2-vcmq

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • Packagist wwbn/avideo

    Affected
    <= 26.0
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Summary The TopMenu plugin renders menu item fields (icon classes, URLs, and text labels) directly into HTML without applying htmlspecialchars() or any other output encoding. Since menu items are rendered on every public page through plugin hooks, a single malicious menu entry results in stored cross-site scripting that executes for every visitor to the site. An admin user who is tricked into saving a crafted menu item (or an attacker who gains admin access) can compromise all site visitors. Details Multiple output locations in the TopMenu plugin render user-controlled data without escaping: In HTMLMenuRight.php:24, the icon class is injected directly: In HTMLMenuRight.php:40, the URL is rendered without encoding: In HTMLMenuLeft.php:32, same pattern for the left menu: In index.php:49, the menu item text is echoed raw: Menu item data is saved via menuItemSave.json.php with no sanitization in the setter methods. The stored values are loaded from the database and rendered on every page…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-gmpc-fxg2-vcmq

Agent brief

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# Patch Next advisory brief: GHSA-gmpc-fxg2-vcmq

Advisory: AVideo has Stored XSS via Unescaped Menu Item Fields in TopMenu Plugin
IDs: GHSA-gmpc-fxg2-vcmq
Record: https://patchnext.com/advisories/ghsa-gmpc-fxg2-vcmq (revision 1, source checked 26 Oct 2026, 14:39 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist wwbn/avideo: affected <= 26.0

## Suggested inspection (read-only)
- Packagist wwbn/avideo: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on wwbn/avideo.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-gmpc-fxg2-vcmq (GitHub-reviewed advisory GHSA-gmpc-fxg2-vcmq lists affected ranges: Packagist wwbn/avideo >=0 <=26.0)

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