Auth bypass in Yaycurrency

CVE-2026-16058

The YayCurrency WordPress plugin before 3.3.5 does not perform any capability or ownership check on several of its multi-vendor integration handlers that are reachable by unauthenticated users, allowing anyone to read the store's order totals and its vendors' earnings, balance ledgers, and withdrawal histories by iterating identifiers.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-16058: held from 0.002 to 0.003.

EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.001

Affected products

  • Yaycurrency

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16058?
CVE-2026-16058 is a medium-severity vulnerability in Yaycurrency, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2026-08-19.
How severe is CVE-2026-16058?
Medium severity. CVSS v3 base score is 5.3 out of 10.