CVE-2026-86817

MEDIUMCVSS 4.9/10EPSS 0.23%

Last modified

CVE-2026-86817 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

Description

The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.

Metrics

EPSS Probability
0.23%

13.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

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

VendorProductVersions
UnknownFive Star Business Profile and Schema>= 2.3.20, < 2.4.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-86817?
The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.
How severe is CVE-2026-86817?
CVE-2026-86817 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.
How do I fix CVE-2026-86817?
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