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CVE-2026-42633

8.5
High
EPSS 0.34%Oct 11, 2026

SQL injection in Events Manager <=7.4.6 WordPress plugin enables DB compromise

common questions

Is CVE-2026-42633 being exploited?

Not confirmed. CVE-2026-42633 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 0.34% probability of exploitation in the next 30 days.

How severe is CVE-2026-42633?

CVE-2026-42633 is rated High with a CVSS score of 8.5. 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-2026-42633?

Not known from our data. No patch reference has been recorded for CVE-2026-42633, 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-2026-42633 affect?

CVE-2026-42633 affects Events Manager WordPress plugin <= 7.4.6, WordPress sites with the plugin installed, Managed/hosted WordPress environments. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-42633?

Remove or update plugin to fixed release when available; apply WAF rules; rotate creds; audit logs.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Events Manager WordPress plugin <= 7.4.6WordPress sites with the plugin installedManaged/hosted WordPress environments
impact

SQL injection lets attackers read/modify site database, exfiltrate user data, and potentially enable account takeover or full site compromise.

action required

Immediate action required

affected versions
Marcus Events Manager
  • affected<= 7.4.6

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.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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