CVE-2026-39500
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 Themesflat themesflat-addons-for-elementor themesflat-addons-for-elementor allows Stored XSS.This issue affects themesflat-addons-for-elementor: from n/a through <= 2.3.2.
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 confidenceStored Cross-site Scripting (XSS) vulnerability in the themesflat-addons-for-elementor WordPress plugin allows attackers to inject malicious scripts into web pages. The vulnerability stems from improper input neutralization during web page generation, enabling stored scripts to execute when users view 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
- 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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Verify plugin is installed and activeLog into WordPress admin panel, navigate to Plugins > Installed Plugins, and locate 'themesflat-addons-for-elementor' in the list. Confirm the plugin shows as 'Active'.Affected if Plugin is installed and active, making its functionality available for potential XSS injection.
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Identify installed plugin versionIn the WordPress plugins list, click on the plugin name or view details to find the version number displayed. Compare this version against the vendor's release notes for any security patches.Affected if Running an unpatched version within the vulnerable range.
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Locate plugin input-handling featuresNavigate to the plugin settings (usually under ThemesFlat > Addons or Elementor > ThemesFlat options in the left sidebar). Identify any fields, widgets, or elements that accept user-provided text input and store it in the database.Affected if The plugin has active input fields that store unsanitized user data.
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Inspect stored content for suspicious scriptsReview pages/posts created with Elementor that use the plugin's custom widgets. Check the page source or database entries for any stored JavaScript tags, event handlers, or iframe elements that were not intentionally added.Affected if Stored malicious scripts exist in page content that uses the plugin's widgets.
You are affected if the plugin is active, running an unpatched version, and has any user input fields or widgets that store data without proper 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 the themesflat-addons-for-elementor plugin to the latest version which should contain proper input sanitization and output encoding. Until then, restrict usage of the affected plugin features and implement additional Content Security Policy headers.
- Consultation2.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-39500 — 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-2026-39500 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
- No spam, self-promotion, credentials, or personal data