Vulnerability in Wpforo Forum

CVE-2026-80514

The wpForo Forum WordPress plugin from 3.0.0 before 3.1.6 does not verify the source of client-supplied IP address headers before using them to key its per-visitor rate limit on paid AI requests, allowing unauthenticated attackers to bypass the limit by spoofing the header and exhaust the site owner's metered AI credits.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (5.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-80514: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Wpforo Forum

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-80514?
CVE-2026-80514 is a medium-severity vulnerability in Wpforo Forum, classified under CWE-348. CVSS score: 5.3/10. Published 2026-09-25.
How severe is CVE-2026-80514?
Medium severity. CVSS v3 base score is 5.3 out of 10.