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VulnerabilityPublished

CVE-2026-89270: The Popup Builder – Create highly converting, mobile friendly marketing popups

Source GCVE Database

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Authoritative record:CVE-2026-89270· Critical 9.1

Not known to be exploited · CVSS 9.1 Critical.

Data as of 31 Oct 2026, 10:50 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Wordfence)CVSS 3.19.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Oct 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 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
popupbuilderPopup Builder – Create highly converting, mobile friendly marketing popups.Affected
  • <=4.4.5
Fixed in–

AI-suggested

Until a fix is available, restrict access to the plugin's endpoints if possible and monitor for suspicious GET requests containing the 'sg_popup_preview_id' parameter.

Description

The Popup Builder WordPress plugin up to version 4.4.5 contains an authorization bypass vulnerability that allows unauthenticated attackers to trash all published popups with a single GET request. This is caused by improper authorization checks and is worsened by a logic flaw in the SGPopup::find() function, which triggers the trashing action on all popups when a specific parameter is present.

References

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