CVE-2026-83526
Authenticated subscriber arbitrary file upload → possible RCE in FV Player WordPress plugin.
Is CVE-2026-83526 being exploited?
Not confirmed. CVE-2026-83526 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-2026-83526?
CVE-2026-83526 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-2026-83526?
Yes. A fix has been recorded for CVE-2026-83526. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-83526 affect?
CVE-2026-83526 affects FV Player for WordPress <= 8.1.7, WordPress sites using FV Player plugin, Sites with writable public uploads directory. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-83526?
Update FV Player to 8.1.8+ immediately; restrict uploads and remove untrusted subscribers.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated (subscriber+) can race to upload attacker-controlled files to public uploads, enabling remote code execution on vulnerable sites.
Immediate action required
- affected<= 8.1.7
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.