The BestWebSoft Captcha plugin before 4.0.7 for WordPress allows remote attackers to bypass the CAPTCHA protection mechanism and obtain administrative access via unspecified vectors.
https://wordpress.org/plugins/captcha/changelog/
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000029
http://jvn.jp/en/jp/JVN93727681/index.html
Source: Mitre, NVD
Published: 2015-03-03
Updated: 2026-06-17
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00586