Unauthenticated RCE (CVSS 10.0) in a widely deployed Joomla form extension could enable mass site takeovers across organizations.
CVE-2026-65880
Unauthenticated remote code execution in Balbooa Forms Joomla extension (<2.4.3).
Is CVE-2026-65880 being exploited?
Not confirmed. CVE-2026-65880 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 0.46% probability of exploitation in the next 30 days.
How severe is CVE-2026-65880?
CVE-2026-65880 is rated Critical with a CVSS score of 10.0. 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-2026-65880?
Yes. A fix has been recorded for CVE-2026-65880. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-65880 affect?
CVE-2026-65880 affects Balbooa Forms < 2.4.3, Joomla websites using Balbooa Forms, Web servers hosting affected Joomla sites. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-65880?
Update Balbooa Forms to >=2.4.3 or remove extension; inspect logs and isolate suspected compromises.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Unauthenticated RCE allows arbitrary PHP/code execution, full site takeover, data theft, and lateral movement on affected Joomla sites.
Immediate action required
- affected1.0.0-2.4.2.1
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.