CVE-2026-14553
Authenticated file upload flaw in zportals WP plugin (<6.3.4) allows PHP upload and RCE.
Is CVE-2026-14553 being exploited?
Not confirmed. CVE-2026-14553 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 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-14553?
CVE-2026-14553 is rated High with a CVSS score of 8.1. 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-2026-14553?
Yes. A fix has been recorded for CVE-2026-14553. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-14553 affect?
CVE-2026-14553 affects zportals WordPress plugin < 6.3.4, WordPress sites using zportals plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-14553?
Update zportals to 6.3.4 immediately; if unable, disable/remove plugin and scan for web shells.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated Subscriber+ can upload arbitrary PHP files, achieving remote code execution, site takeover, data theft, and lateral pivoting.
Immediate action required
- affected< 6.3.4
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.