CVE-2026-6147
Authenticated arbitrary file upload in LightSync Pro WordPress plugin may enable RCE.
Is CVE-2026-6147 being exploited?
Not confirmed. CVE-2026-6147 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 0.64% probability of exploitation in the next 30 days.
How severe is CVE-2026-6147?
CVE-2026-6147 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-2026-6147?
Yes. A fix has been recorded for CVE-2026-6147. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-6147 affect?
CVE-2026-6147 affects WordPress LightSync Pro plugin <= 2.1.6, WordPress sites with plugin installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-6147?
Update LightSync Pro to a patched version, restrict upload roles, scan for webshells.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated users with Author+ can upload arbitrary files via rest_replace_media(), enabling remote code execution and site takeover.
Patch when possible
- affected<= 2.1.6
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.