Widely-used WordPress plugin; critical RCE risk could disrupt many sites across industries.
CVE-2026-1499
Critical: RCE via unauthenticated file upload in WP Duplicate <=1.1.8.
Is CVE-2026-1499 being exploited?
Not confirmed. CVE-2026-1499 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 0.98% probability of exploitation in the next 30 days.
How severe is CVE-2026-1499?
CVE-2026-1499 is rated Critical with a CVSS score of 9.8. 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-2026-1499?
Yes. A fix has been recorded for CVE-2026-1499. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-1499 affect?
CVE-2026-1499 affects WordPress WP Duplicate plugin <=1.1.8. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-1499?
Patch/upgrade to latest WP Duplicate version
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated RCE via arbitrary file upload; path traversal and missing auth checks allow code execution (requires initial auth to set prod_key_random_id).
Immediate action required
- affected<= 1.1.8
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.