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CVE-2026-104307VulnerabilityPublished

The BackUpWordPress plugin before 3.15 does not perform a capability or nonce check on an AJAX action that cleans up

Source GCVE Database

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Authoritative record:CVE-2026-104307· High

Not known to be exploited : upgrade to 3.15 soon.

Data as of 8 Nov 2026, 08:05 UTC

Severity
High

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

Thin evidence

One scorer or none
Patch
Available – fixed in 3.15

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 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 7 Nov 2026.

What to do

Upgrade BackUpWordPress to 3.15.

Affected software

ProductAffectedFixed in
BackUpWordPressAffected
  • <3.15
Fixed in
  • 3.15

AI-suggested

A fix is available in BackUpWordPress version 3.15 and later. Users should upgrade to version 3.15 or newer to ensure proper capability and nonce checks are enforced on the AJAX cleanup action. Until upgraded, restrict authenticated user roles to trusted users only.

Description

The BackUpWordPress plugin versions prior to 3.15 lack capability and nonce checks on an AJAX action responsible for cleaning up the backup directory. This flaw allows any authenticated user with Subscriber-level permissions or higher to delete backup protection and working files, potentially disrupting ongoing backups and removing download protection from stored backups.

References

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