CVE-2026-121866

HIGHCVSS 8.8/10EPSS 0.23%

Last modified

CVE-2026-121866 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The iLeads SMS Gateway by Exsile WordPress plugin before 2.0.0 does not check capabilities or nonces in several AJAX actions that update a site option chosen by the request, allowing any authenticated user, such as a subscriber, to change arbitrary WordPress options and escalate to administrator, for example by enabling registration with administrator as the default role.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

The iLeads SMS Gateway by Exsile WordPress plugin before 2.0.0 does not check capabilities or nonces in several AJAX actions that update a site option chosen by the request, allowing any authenticated user, such as a subscriber, to change arbitrary WordPress options and escalate to administrator, for example by enabling registration with administrator as the default role.

Metrics

EPSS Probability
0.23%

14.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
UnknowniLeads SMS Gateway by Exsile< 2.0.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-121866?
The iLeads SMS Gateway by Exsile WordPress plugin before 2.0.0 does not check capabilities or nonces in several AJAX actions that update a site option chosen by the request, allowing any authenticated user, such as a subscriber, to change arbitrary WordPress options and escalate to administrator, for example by enabling registration with administrator as the default role.
How severe is CVE-2026-121866?
CVE-2026-121866 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-121866?
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