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Notiqoo WordPress Plugin CVE-2026-19840

| EUVDEUVD-2026-75262 MEDIUM
Incorrect Authorization (CWE-863)
2026-09-10 WPScan GHSA-xq47-g3qj-2hcj
6.5
CVSS 3.1 · Vendor: WPScan
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Severity by source

Vendor (WPScan) PRIMARY
6.5 MEDIUM
AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
vuln.today AI
8.1 HIGH

PR:L corrects the input's PR:H - contributor is a low-privilege role; C:N because only integrity and availability are impacted via option overwrites.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (WPScan).

CVSS VectorVendor: WPScan

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

Lifecycle Timeline

5
Metadata Corrected
Sep 10, 2026 - 14:40 vuln.today
tag: Authentication Bypass removed
Analysis Generated
Sep 10, 2026 - 14:31 vuln.today
Patch available
Sep 10, 2026 - 07:01 EUVD
CVE Published
Sep 10, 2026 - 06:00 cve.org
MEDIUM 6.5
CVE Published
Sep 10, 2026 - 06:00 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

The Notiqoo WordPress plugin before 1.4.14 does not have capability checks on several of its AJAX actions and builds the name of the option to write from user input, allowing users with a role as low as contributor to modify arbitrary WordPress options, which can be used to deactivate Notiqoo WordPress plugin before 1.4.14 and to lock every administrator out of the site.

AnalysisAI

Missing capability checks in the Notiqoo WordPress plugin (before 1.4.14) expose multiple AJAX endpoints to any authenticated contributor-level user, allowing arbitrary WordPress option writes. Because the option name is constructed directly from user-supplied input with no validation or authorization gate, a contributor can overwrite any site option - including disabling the Notiqoo plugin itself or corrupting the admin email/user-role mappings to lock every administrator out of the WordPress dashboard. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires an active WordPress user account with at minimum the 'contributor' role on the target site - this is a low-privilege authenticated condition, not unauthenticated. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS vector (PR:H) conflicts with the description, which explicitly states exploitation is possible with a contributor role - a low-privilege account, not a high-privilege one. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the Notiqoo plugin to version 1.4.14 or later, which introduces proper capability checks on all affected AJAX actions and sanitizes the option name input - this is the sole confirmed fix per the WPScan advisory (https://wpscan.com/vulnerability/030939ee-9aa9-4082-934e-c9a07fc3dfc3/). … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-19840 vulnerability details – vuln.today

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