CVE-2026-57727
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 · uneditedMissing Authorization vulnerability in Themeum Kirki kirki allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kirki: from n/a through <= 6.0.13.
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 confidenceKirki plugin versions through 6.0.13 have a missing authorization vulnerability that allows attackers to exploit incorrectly configured access control security levels. The vulnerability stems from missing capability checks or permission validation on certain actions within the theme customizer framework, potentially allowing unauthenticated or lower-privileged users to perform actions they should not have access to.
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
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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 Kirki plugin installationCheck the WordPress plugins directory or admin panel to confirm if the Kirki plugin is installed. If using file system access, look for the plugin folder typically at wp-content/plugins/kirki/ and check the main plugin file for the version number.Affected if Kirki plugin is installed and the version is 6.0.13 or lower
-
Compare installed version against affected rangeLocate the version declaration in the Kirki plugin files (commonly in the main plugin file header or a version constants file). Compare this version number to the affected range: versions through 6.0.13.Affected if The installed version is 6.0.13 or any earlier version
-
Inspect theme customizer AJAX actionsExamine the kirki plugin directory for AJAX action handlers, typically in files handling customizer functionality. Check if these handlers include current_user_can() or capability checks before executing privileged operations. Look for wp_ajax_ and wp_ajax_nopriv_ hooks.Affected if AJAX actions in the Kirki plugin lack proper capability checks and allow unauthenticated or low-privileged user access
-
Verify permission validation on customizer functionsReview the theme customizer framework code within the Kirki plugin for functions that modify theme settings, options, or styles. Check if these functions validate user capabilities or nonce tokens before processing requests.Affected if Customizer-related functions do not validate user permissions or nonce tokens before executing
You are affected if the Kirki plugin is installed at version 6.0.13 or earlier and certain theme customizer actions lack proper capability checks, allowing unauthorized access.
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 Kirki to the latest version which should include proper authorization checks. If no update is available, audit all AJAX actions and public-facing functions in the plugin to add appropriate capability checks and nonce verification.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-57727 — 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-2026-57727 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