CSRF in Bear

CVE-2026-84023

The BEAR WordPress plugin before 1.2.2 does not verify a CSRF nonce or check user capabilities before updating taxonomy terms, allowing an attacker to modify arbitrary terms by tricking a logged-in privileged user into visiting a crafted page.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (5.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 5.9% 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-2026-84023: held from 0.002 to 0.002.

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

Affected products

  • Bear

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-84023?
CVE-2026-84023 is a medium-severity vulnerability in Bear, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2026-09-12.
How severe is CVE-2026-84023?
Medium severity. CVSS v3 base score is 6.5 out of 10.