CVE-2026-75949
Arbitrary file upload/deletion in J-BusinessDirectory allows RCE and site takeover
Is CVE-2026-75949 being exploited?
Not confirmed. CVE-2026-75949 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 0.31% probability of exploitation in the next 30 days.
How severe is CVE-2026-75949?
CVE-2026-75949 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-2026-75949?
Yes. A fix has been recorded for CVE-2026-75949. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-75949 affect?
CVE-2026-75949 affects Joomla J-BusinessDirectory < 6.2.3, cmsjunkie J-BusinessDirectory extension. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75949?
Upgrade to J-BusinessDirectory 6.2.3+; scan for web shells and restore/rotate creds
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attackers can upload web shells or delete/modify site files via path traversal and weak extension checks, enabling remote code execution and site takeover.
Immediate action required
- affected1.0.0-6.2.2
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.