CVE-2025-31398
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 PIMP - Creative MultiPurpose allows Object Injection. This issue affects PIMP - Creative MultiPurpose: from n/a through 1.7.
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 · high confidencePHP Object Injection vulnerability in themeton PIMP - Creative MultiPurpose WordPress theme allows attackers to deserialize untrusted data, potentially leading to remote code execution if suitable PHP gadget chains exist in the application or loaded plugins. The vulnerability stems from unsafe use of unserialize() on user-controlled data without proper validation.
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 PIMP theme is installedCheck your WordPress installation under wp-content/themes/ for a folder named 'pimp' or search for theme files containing 'PIMP' in style.css header commentsAffected if The themeton PIMP theme folder exists in your WordPress themes directory
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Check installed theme versionOpen wp-content/themes/pimp/style.css and look for the 'Version:' field in the theme header commentAffected if Version is at or below the last known vulnerable version (compare against any available patched version from themeton)
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Locate unsafe unserialize() callsSearch theme PHP files for 'unserialize' function calls, especially using grep or a file search: grep -r "unserialize(" wp-content/themes/pimp/Affected if Any unserialize() call is found that operates on data that could be influenced by user input (e.g., from $_GET, $_POST, $_COOKIE, or $_REQUEST)
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Verify user input reaches the vulnerable codeExamine the code around found unserialize() calls to trace whether parameters from HTTP requests (GET, POST, cookies) are passed directly to unserialize() without sanitizationAffected if User-controlled data from HTTP request parameters is passed to unserialize() without validation or whitelist checks
Your environment is affected if the PIMP theme is installed, contains unserialize() calls on user-supplied data, and that data can be controlled via HTTP request parameters without 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 dataUpgrade to patched version if available; otherwise, locate and remove/replace unsafe unserialize() calls in the theme code with safer alternatives like json_decode, and implement proper input validation on all data deserialization pathways.
- 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-2025-31398 — 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-2025-31398 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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