CVE-2026-13353
Authenticated RCE via WP Ultimate CSV Importer plugin (MappedFields).
Is CVE-2026-13353 being exploited?
Not confirmed. CVE-2026-13353 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 1.1% probability of exploitation in the next 30 days.
How severe is CVE-2026-13353?
CVE-2026-13353 is rated High with a CVSS score of 8.8. 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-2026-13353?
Yes. A fix has been recorded for CVE-2026-13353. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-13353 affect?
CVE-2026-13353 affects WP Ultimate CSV Importer plugin <= 8.0.1, WordPress sites with the plugin installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-13353?
Upgrade plugin to patched version or remove; restrict admin access and scan for compromise.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated (subscriber+) remote code execution via eval() allowing arbitrary PHP execution and potential full server compromise.
Immediate action required
- affected<= 8.0.1
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.