CVE-2026-39507
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 Social Slider Feed <= 2.3.2 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 Social Slider Feed WordPress plugin version 2.3.2 and below. Attackers can inject malicious JavaScript through unsanitized user input, likely in a feed parameter or display field, without requiring authentication.
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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Confirm Social Slider Feed plugin is installedNavigate to WordPress admin dashboard, go to Plugins > Installed Plugins, and search for 'Social Slider Feed' or 'social-slider-feed'Affected if The plugin appears in the installed plugins list
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Check installed plugin versionIn the Plugins list, locate Social Slider Feed and view the version number displayed beneath the plugin name, or check the plugin's main PHP file header for the 'Version' tagAffected if The reported version is 2.3.2 or any version lower (e.g., 2.3.1, 2.3.0, 1.x.x)
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Verify plugin is activeIn Plugins > Installed Plugins, confirm the Social Slider Feed plugin has the 'Activate' button (meaning it is currently running)Affected if The plugin is active and serving pages
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Identify usage of feed/display parametersReview the pages or posts where the Social Slider Feed shortcode or widget is embedded; inspect any settings where feed URLs or display options are configuredAffected if The plugin is actively displaying social media feeds using user-supplied URLs or display parameters
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Check for lack of input sanitization in plugin codeLocate the plugin directory (wp-content/plugins/social-slider-feed or similar) and search PHP files for functions like echo, print, or print_r that output feed-related variables (e.g., $_GET parameters) without functions like esc_html, esc_attr, or sanitize_text_fieldAffected if The code outputs request parameters directly without sanitization functions
The environment is affected if the Social Slider Feed plugin version is 2.3.2 or below AND the plugin is active, as the unauthenticated XSS can be exploited through unsanitized feed parameters.
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 Social Slider Feed to the latest version, or apply a vendor patch that implements proper input sanitization and output escaping on all user-controlled parameters before rendering.
- Consultation2.0 h
- Implementation2.0 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 $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-39507 — 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-2026-39507 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