What is CVE-2026-81021?

CVE-2026-81021 is a medium-severity vulnerability in Supportcandy, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-09.

How severe is CVE-2026-81021?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in Supportcandy

CVE-2026-81021

The SupportCandy WordPress plugin before 3.5.3 does not perform an authorization check on one of its support-ticket attachment download paths, allowing unauthenticated attackers to read protected customer-uploaded attachments by enumerating sequential attachment identifiers.

Vulnerability class: Information Disclosure

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.

Affected products

Unknown Supportcandy

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-81021?: CVE-2026-81021 is a medium-severity vulnerability in Supportcandy, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-09.
How severe is CVE-2026-81021?: Medium severity. CVSS v3 base score is 5.3 out of 10.