CVE-2026-22182
Unauthenticated DoS in wpDiscuz plugin before 7.6.47 via email flood.
Is CVE-2026-22182 being exploited?
Not confirmed. CVE-2026-22182 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 0.52% probability of exploitation in the next 30 days.
How severe is CVE-2026-22182?
CVE-2026-22182 is rated High with a CVSS score of 8.7. 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-2026-22182?
Yes. A fix has been recorded for CVE-2026-22182. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-22182 affect?
CVE-2026-22182 affects WordPress wpDiscuz plugin <= 7.6.46. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-22182?
Upgrade to 7.6.47+; enable nonce/auth and rate limiting
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Anonymous attacker floods subscribers with emails via wpdiscuz-ajax.php; no nonce/auth; risks service disruption and email abuse.
Immediate action required
- affected< 7.6.47
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.