CVE-2026-28076
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 Frenify Guff guff allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Guff: from n/a through <= 1.0.1.
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 confidenceMissing authorization vulnerability in the Frenify Guff WordPress theme (version 1.0.1 and below) allows attackers to exploit incorrectly configured access control security levels, potentially bypassing authentication to access restricted functionality or resources.
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.
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Confirm Guff theme is installedNavigate to WordPress admin dashboard > Appearance > Themes, or inspect the /wp-content/themes/ directory for a folder named 'guff' or 'guff-child'Affected if The Guff theme (by Frenify) is present in the WordPress themes directory
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Identify installed theme versionCheck the theme's style.css file in /wp-content/themes/guff/ for the 'Version:' header, or view the theme details in WordPress admin under Appearance > ThemesAffected if The reported version is 1.0.1 or lower
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Locate theme PHP files with sensitive functionalityInspect PHP files in /wp-content/themes/guff/ for functions that handle admin actions, database operations, user management, or file uploads (commonly in files named admin.php, functions.php, or ajax handlers)Affected if The theme contains PHP files with administrative or sensitive functions without proper capability checks
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Check for missing authorization checks in endpoint handlersSearch theme PHP files for action hooks (add_action) handling admin URLs, AJAX calls, or front-end forms. Look for functions that process requests without current_user_can() or other authorization validationAffected if Sensitive functions lack authorization checks (e.g., no current_user_can() validation before executing privileged operations)
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Test access to suspected unprotected endpointsIf theme creates custom URLs or admin pages, attempt to access them from a non-authenticated browser session or a low-privilege user account to verify if authorization is enforcedAffected if Access to restricted theme functionality is granted without authentication or proper privilege validation
The environment is affected if the Frenify Guff theme version 1.0.1 or lower is installed AND the theme contains unprotected administrative functions or endpoints that can be accessed without proper authorization validation.
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 Guff theme to the latest version or implement proper authorization checks on all sensitive endpoints and administrative functions to enforce access control.
- Consultation3.0 h
- Implementation6.0 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 $4,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2026-28076 — 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-2026-28076 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
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