Critical 9.1Published Aug 18, 2026

CVE-2026-73381WordPress Popup by Supsystic plugin <= 1.13.0 - Broken Authentication vulnerability

Updated under an hour ago (2026-10-19 06:30 UTC)

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It affects supsystic Popup by Supsystic. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for supsystic Popup by Supsystic

Exploited in the last 30 days

Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.

CVSS: 9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness (CWE): CWE-288
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Patchstack
NVD analysis: Deferred
Record last updated: Aug 18, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

supsystic Popup by Supsystic supsystic:popup_by_supsystic (from the name)	from n/a through 1.13.0; fixed at 1.13.1	CNA record

References

https://patchstack.com/database/wordpress/plugin/popup-by-supsystic/vulnerability/wordpress-popup-by-supsystic-plugin-1-13-0-broken-authentication-vulnerability?_s_id=cvevdb-entry

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.