Description
The (1) Textimage 4.7.x before 4.7-1.2 and 5.x before 5.x-1.1 module for Drupal and the (2) Captcha 4.7.x before 4.7-1.2 and 5.x before 5.x-1.1 module for Drupal allow remote attackers to bypass the CAPTCHA test via an empty captcha element in $_SESSION.
Remediation
References
Related Vulnerabilities
LimeSurvey Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2019-16177)
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WordPress Plugin Web to Print Online Designer Security Bypass (2.3.0)
Oracle Application Server CVE-2006-3713 Vulnerability (CVE-2006-3713)