CVE-2026-16977
Second-order SQL injection in Form Maker plugin allows low-privilege DB compromise.
Is CVE-2026-16977 being exploited?
Not confirmed. CVE-2026-16977 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 0.21% probability of exploitation in the next 30 days.
How severe is CVE-2026-16977?
CVE-2026-16977 is rated High with a CVSS score of 8.1. 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-2026-16977?
Yes. A fix has been recorded for CVE-2026-16977. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-16977 affect?
CVE-2026-16977 affects Form Maker by 10Web (WordPress) versions < 1.15.45, WordPress sites with the plugin installed. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-16977?
Update Form Maker to 1.15.45+ immediately; audit DB and site logs; disable plugin if you cannot patch.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Subscriber-controlled second-order SQLi enabling database exfiltration, record modification, and possible privilege escalation.
Immediate action required
- affected< 1.15.45
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.