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CVE-2026-16540: The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated

unknownpublic exploitCVE-2026-16540
The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.

Details

Source
NVD Recent CVEs (US · database · site)
Severity
unknown
Published
2026-08-02
Last updated
2026-08-02
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-16540

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-16540coverage & exploitation statusNVD · CVE.org

Recent advisories for Simply Schedule Appointments

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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