CVE-2026-56014
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 · uneditedUnauthenticated Cross Site Scripting (XSS) in Master Slider <= 3.11.2 versions.
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 confidenceAn unauthenticated Cross Site Scripting (XSS) vulnerability exists in the Master Slider plugin versions 3.11.2 and below. Attackers can inject malicious scripts into the application without requiring authentication, potentially compromising other users or administrators viewing the affected content.
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
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
CVSS:3.1/AV:N/AC:L/PR:N/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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Verify Master Slider plugin is installedIn WordPress admin, go to Plugins > Installed Plugins and look for 'Master Slider' in the list. Alternatively, check for the directory /wp-content/plugins/master-slider/ on the web server file system.Affected if Master Slider plugin is present in the WordPress installation
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Determine the installed version numberIn WordPress admin, find Master Slider in the plugin list and read the version displayed under the plugin name. Alternatively, inspect the plugin's main PHP file (such as masterslider.php) and look for a version comment or defined constant near the top of the file.Affected if Version is 3.11.2 or lower (any version up to and including 3.11.2)
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Confirm the plugin is activeIn WordPress admin > Plugins, verify that Master Slider shows as 'Active' rather than 'Inactive' or 'Must-Use'. Only active plugins process requests and are vulnerable to unauthenticated XSS.Affected if Plugin is currently active and handling requests
You are affected if Master Slider plugin is installed, active, and the installed version is 3.11.2 or below; any lower version is vulnerable to unauthenticated XSS injection.
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.
dbcve · scopedUpdate Master Slider to a version newer than 3.11.2. If patching is not immediately possible, consider disabling the plugin or implementing Web Application Firewall (WAF) rules to block XSS attack patterns until the update can be applied.
Latest version available in WordPress plugin repository (version > 3.11.2)
- Verify current Master Slider plugin version installed on the WordPress site
- If running version <= 3.11.2, update to the latest available version from the WordPress plugin repository
- After updating, clear any caching mechanisms (site cache, CDN cache, browser cache)
- Verify the update was successful by checking the plugin version number
- Test the slider functionality to ensure the update did not break existing features
- Check if there are any security advisories or release notes for the new version that address this XSS vulnerability
Generated from the published advisory — verify against the referenced sources before acting.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,272.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-56014 — 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-2026-56014 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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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- 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
- No spam, self-promotion, credentials, or personal data