Information disclosure in Wpbot

CVE-2026-87916

The WPBot WordPress plugin before 8.6.0 does not perform any capability or nonce check on the AJAX action that lists stored chat sessions, allowing unauthenticated attackers to retrieve the name, email address and phone number of every chat visitor by requesting a wide date range.

Vulnerability class: Information Disclosure

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:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (27.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.8% 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-2026-87916: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Wpbot

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-87916?
CVE-2026-87916 is a medium-severity vulnerability in Wpbot, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-12.
How severe is CVE-2026-87916?
Medium severity. CVSS v3 base score is 5.3 out of 10.