CVE-2026-57431
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 · uneditedAuthor Cross Site Scripting (XSS) in Featured Image <= 2.1 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 confidenceA Cross-Site Scripting (XSS) vulnerability exists in the Featured Image functionality affecting versions 2.1 and earlier. The vulnerability is specifically categorized as an Author-level XSS, suggesting it can be triggered by users with author privileges through the featured image feature.
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.
-
Identify the software productDetermine which application or plugin contains the Featured Image functionality. Common platforms with this feature include WordPress themes or plugins. Check your installed components list or plugin directory.Affected if The installed software is the affected product with Featured Image capability and version is 2.1 or earlier
-
Locate the installed version numberAccess the software's version information through admin dashboard, version file (often version.php, readme.txt, or composer.json), or package manager. Compare this against the affected range.Affected if Installed version is 2.1 or any version lower than 2.1
-
Verify Featured Image module is activeCheck if the Featured Image functionality is enabled in the software. This may be a setting in the admin panel, or the feature may be present in the codebase even if not actively used.Affected if Featured Image feature is present and enabled in the environment
-
Confirm user role configurationReview user accounts and role assignments to determine if any users possess Author-level privileges. Check the user management section of the admin panel or user database table.Affected if There are users with Author-level access or higher who can access the Featured Image functionality
-
Inspect Featured Image input handlingExamine the code or configuration related to Featured Image uploads and display. Look for how image URLs/titles are stored and rendered. Check for unencoded output in admin or front-end views.Affected if The Featured Image fields accept user input that is later displayed without proper output encoding
You are affected if the software with Featured Image functionality is version 2.1 or earlier and the Featured Image feature is accessible to users with Author privileges.
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 dataUpgrade to the latest version of the affected software (version > 2.1) which should contain the patched code. If no patched version is available, implement output encoding and input validation on all featured image-related fields.
- Consultation1.0 h
- Implementation2.0 h
- Testing1.0 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 $1,424.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-57431 — 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-2026-57431 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
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