CVE-2026-59555
Unauthenticated arbitrary file deletion in Participants Database WordPress plugin.
Is CVE-2026-59555 being exploited?
Not confirmed. CVE-2026-59555 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.60% probability of exploitation in the next 30 days.
How severe is CVE-2026-59555?
CVE-2026-59555 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-59555?
Yes. A fix has been recorded for CVE-2026-59555. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-59555 affect?
CVE-2026-59555 affects Participants Database plugin <= 2.7.8.3, WordPress sites using the plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-59555?
Update plugin to the fixed version immediately or remove/disable until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated attackers can delete arbitrary files via path traversal (CWE-22), causing data loss, site disruption, defacement, or enable follow-on attacks.
Immediate action required
- affected<= 2.7.8.3
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.