CVE-2026-19840

MEDIUMCVSS 6.5/10EPSS 0.13%

Last modified

CVE-2026-19840 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.13% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
0.13%

3.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
UnknownNotiqoo< 1.4.14

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-19840?
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.
How severe is CVE-2026-19840?
CVE-2026-19840 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.13% probability of exploitation in the next 30 days.
How do I fix CVE-2026-19840?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST