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Advanced Popups CVE-2026-11996

| EUVDEUVD-2026-80100 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-09-16 Wordfence GHSA-cwjm-97mc-vxrx
6.4
CVSS 3.1 · NVD
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Severity by source

Vendor (Wordfence) PRIMARY
MEDIUM
qualitative
NVD
6.4 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from Vendor (Wordfence).

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Sep 16, 2026 - 04:01 vuln.today
CVE Published
Sep 16, 2026 - 03:28 cve.org
MEDIUM 6.4

DescriptionNVD

The Advanced Popups plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'Notification Button Link' Field in all versions up to, and including, 1.2.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

AnalysisAI

Stored cross-site scripting in the Advanced Popups WordPress plugin (all versions up to and including 1.2.3) lets an authenticated attacker holding author-level rights or above inject arbitrary JavaScript through the popup 'Notification Button Link' field, which is then rendered unsanitized to every visitor of the affected page. Because the payload is persisted in the site's database, any visitor — including administrators — who opens the injected page will execute the script in their own browser session. …

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CVE-2026-11996 vulnerability details – vuln.today

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