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Vulnerabilities

Vulnerability · CVE-2026-1165

The Popup Box plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.1.1.

Published Jan 31, 2026 · catalog updated Apr 8, 2026 · Popup Box – Create Countdown, Coupon, Video, Contact Form Popups

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-1165. EPSS is 0.19%. Act only if a listed version of Popup Box – Create Countdown, Coupon, Video, Contact Form Popups is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Vendor / distro source
Affected products
vendor ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form Popups 0 ≤6.1.1

The Popup Box plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.1.1. This is due to a flawed nonce implementation in the 'publish_unpublish_popupbox' function that verifies a self-created nonce rather than one submitted in the request. This makes it possible for unauthenticated attackers to change the publish status of popups via a forged request, granted they can trick a site administrator into performing an action such as clicking a link.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form Popups 0 ≤6.1.10 ≤6.1.1

How to fix CVE-2026-1165

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-1165. EPSS is 0.19%. Act only if a listed version of Popup Box – Create Countdown, Coupon, Video, Contact Form Popups is installed.

Which versions are affected?

Compare what you have installed with ays-pro Popup Box – Create Countdown, Coupon, Video, Contact Form Popups 0 ≤6.1.1 0 ≤6.1.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 31, 2026 · EUVD

    Detected

    The Popup Box plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.1.1. This is due to a flawed nonce implementation in the 'publish_unpublish_popupbox' function that verifies a self-created nonce rather than one submitted in the request. This makes it possible for unauthenticated attackers to change the publish status of popups via a forged requ

  2. Apr 8, 2026 · EUVD

    Updated

    The Popup Box plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.1.1. This is due to a flawed nonce implementation in the 'publish_unpublish_popupbox' function that verifies a self-created nonce rather than one submitted in the request. This makes it possible for unauthenticated attackers to change the publish status of popups via a forged requ

Sources

  • CVE.orgVulnerability recordCVE-2026-1165

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-1165

    30-day exploitation probability 0.19%

    first.org
  • EUVDVulnerability recordEUVD-2026-5054

    The Popup Box plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 6.1.1. This is due to a flawed nonce implementation in the 'publish_unpublish_popupbox' function that verifies a self-created nonce rather than one submitted in th

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026