CVE-2025-31396
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 · uneditedDeserialization of Untrusted Data vulnerability in themeton FLAP - Business WordPress Theme allows Object Injection. This issue affects FLAP - Business WordPress Theme: from n/a through 1.5.
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 confidencePHP Object Injection vulnerability in themeton FLAP WordPress theme allows deserialization of untrusted data. Attackers can inject malicious PHP objects via this flaw, potentially executing arbitrary code if magic methods exist in the theme or loaded plugins. The critical 9.8 CVSS reflects the severe impact potential of successful exploitation.
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
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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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Identify if FLAP theme is installedNavigate to Appearance > Themes in WordPress admin dashboard. Look for the themeton FLAP theme in the installed themes list.Affected if FLAP theme by Themeton is present in the WordPress installation
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Check FLAP theme versionAccess theme files via FTP or file manager. Locate the style.css file in wp-content/themes/flap/ and read the Version: header. Compare against any vendor advisories for patched versions.Affected if Theme version is unpatched or unknown (no patched version reference available)
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Verify deserialization endpoint is accessibleCheck for PHP files handling unserialize() calls in the theme directory. Common locations include includes/ajax.php, includes/functions.php, or any file accepting user input for deserialization.Affected if Theme contains code that uses unserialize() on user-controlled input without validation
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Inspect access logs for exploitation attemptsReview web server access logs (Apache/nginx) for requests to FLAP theme endpoints containing serialized PHP objects, such as unserialize(), O:% or similar patterns.Affected if Suspicious requests with serialized data patterns found in logs targeting FLAP theme endpoints
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Check for malicious files or modificationsCompare theme files against a known clean backup or WordPress repository version. Look for newly created PHP files in the theme directory with suspicious base64 or eval() code.Affected if Unexpected PHP files found or files contain malicious code execution patterns
User is affected if the FLAP theme is installed and contains the vulnerable deserialization code, regardless of version, until confirmed patched by vendor.
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 FLAP theme to patched version if available; otherwise deactivate and remove the theme immediately. Audit for any signs of exploitation and consider a supported theme alternative.
- Consultation3.0 h
- Implementation4.0 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 $2,880.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-31396 — 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-2025-31396 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