Affects widely-used WordPress form plugins with unauthenticated RCE; could compromise many sites.
CVE-2026-49105
Unauthenticated PHP Object Injection enabling RCE in WP Zendesk plugins <=1.1.4.
Is CVE-2026-49105 being exploited?
Not confirmed. CVE-2026-49105 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 0.48% probability of exploitation in the next 30 days.
How severe is CVE-2026-49105?
CVE-2026-49105 is rated Critical with a CVSS score of 9.8. 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-2026-49105?
Not known from our data. No patch reference has been recorded for CVE-2026-49105, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-49105 affect?
CVE-2026-49105 affects WP Zendesk for Contact Form 7, WP Zendesk for WPForms, WP Zendesk for Elementor, WP Zendesk for Formidable, and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49105?
Patch when available; if not, disable affected plugins and limit admin access.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote code execution via unauthenticated PHP object injection; attacker can run arbitrary code on the server hosting the WP site.
Patch when possible
- affected<= 1.1.4
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.