CVE-2026-48968
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Averta Master Slider allows DOM-Based XSS. This issue affects Master Slider: from n/a through 3.10.8.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceDOM-Based Cross-site Scripting (XSS) vulnerability in Averta Master Slider plugin allows attackers to inject malicious JavaScript code through unsanitized user input that is directly manipulated in the browser's DOM. The vulnerability exists in versions through 3.10.8 and stems from improper input handling during web page generation.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify Master Slider installation and versionLocate the Master Slider plugin files or check the WordPress plugins admin panel to find the installed version number of Master SliderAffected if The installed version is 3.10.8 or any earlier version through the series
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Check for custom slider configurationsExamine any custom slider definition files or database entries that contain user-supplied data being passed to the slider rendering engineAffected if Custom sliders contain user input that gets rendered without sanitization
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Inspect DOM for unsanitized input reflectionLoad pages containing Master Slider in a browser, use developer tools to inspect the page source and DOM, looking for URL parameters or form inputs that appear directly in the HTML without encodingAffected if User input from URL parameters or forms is visible in the DOM unescaped (e.g., <script> tags execute or raw < characters appear in attributes)
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Review slider custom code or hooksSearch the codebase for any custom JavaScript or PHP hooks that handle user input and pass it to Master Slider display functions without sanitizationAffected if Custom code passes raw user input to slider rendering methods
A user is affected if Master Slider version 3.10.8 or earlier is installed AND user-supplied input is being rendered directly into the DOM without sanitization.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate Master Slider to the latest version which should include proper input sanitization/escaping when handling user-supplied data in the DOM. If no update is available, implement contextual output encoding on all user inputs before DOM insertion.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-48968 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-48968 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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