CVE-2026-57783
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 merkulove Speaker speaker allows Stored XSS.This issue affects Speaker: from n/a through <= 4.1.13.
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 confidenceThis is a Stored Cross-Site Scripting (XSS) vulnerability in the merkulove Speaker WordPress plugin. The vulnerability allows an attacker to inject malicious JavaScript code that gets stored in the database and executed in the browsers of users who view the affected content, due to improper input neutralization 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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Verify Speaker plugin is installedNavigate to WordPress admin > Plugins and look for 'Speaker' by merkulove in the list of installed pluginsAffected if The Speaker plugin by merkulove appears in the installed plugins list
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Identify installed Speaker plugin versionClick on the Speaker plugin in the Plugins list to view its details, or check the plugin's main PHP file header for the 'Version' comment, typically found in /wp-content/plugins/speaker/speaker.phpAffected if The installed version is any version prior to the patched release (no specific vulnerable version range was provided)
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Confirm plugin is activeIn WordPress admin > Plugins, verify the Speaker plugin shows as 'Active' rather than 'Inactive'Affected if The Speaker plugin is active on the WordPress installation
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Check for user-controllable input fieldsAccess the Speaker plugin settings page (typically under Settings > Speaker or a dedicated Speaker menu) and identify any text input fields where content can be entered and saved (such as speaker names, descriptions, or display text)Affected if The plugin exposes any text input fields that accept and store user-supplied content for frontend display
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Inspect stored database recordsUsing phpMyAdmin or WP-CLI (wp db query), query the wp_postmeta table for meta_key values related to Speaker (search for '_speaker' or similar prefixes) and examine stored values for unsanitized HTML/script tagsAffected if Database contains stored records with raw HTML or script tags that were not neutralized during storage
The environment is affected if the merkulove Speaker plugin is installed and active with any text input fields that accept user-controlled data for frontend display, particularly if stored data contains unescaped HTML or script content.
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 Speaker plugin to the latest patched version. Until then, disable the plugin or restrict administrative access, and implement output encoding for any user-controlled data displayed on the site.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
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Free · runs locallyCheck whether your project pulls in CVE-2026-57783 — 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-2026-57783 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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