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VulnerabilityPublished

CVE-2026-118064: Advance Guest Post (WordPress plugin) · Unrestricted File Upload

Affects Advance Guest Post (WordPress plugin)Source CVE Database V5

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Not known to be exploited.

Data as of 13 Nov 2026, 06:12 UTC

Severity
High

Rated High by Threat Radar's AI analysis · CVSS not yet scored by NVD

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
Advance Guest PostAffected
  • <=1.9
Fixed in–

AI-suggested

Users should upgrade the plugin once a fixed version is released. Until then, consider disabling or restricting file upload functionality in the plugin or limiting access to trusted users only. Monitoring for updates from the plugin vendor or WordPress security advisories is recommended.

Description

The Advance Guest Post WordPress plugin up to version 1.9 contains an unrestricted file upload vulnerability that allows unauthenticated users to upload arbitrary PHP files and execute code remotely. This occurs because the plugin improperly restricts file uploads, authorizing the upload action with a nonce exposed to all front-end visitors and validating only the file's leading bytes. Exploitation requires the target to be running PHP 7.x, as PHP 8.0 and later cause a fatal error before the file is written.

References

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