The SimpleCaptcha implementation in Liferay Portal 7.3.4, 7.3.5 and Liferay DXP 7.3 before fix pack 1 does not invalidate CAPTCHA answers after it is used, which allows remote attackers to repeatedly perform actions protected by a CAPTCHA challenge by reusing the same CAPTCHA answer.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dxp | Liferay | * | 7.3 (excluding) |
| Dxp | Liferay | 7.3 (including) | 7.3 (including) |
| Liferay_portal | Liferay | 7.3.4 (including) | 7.3.4 (including) |
| Liferay_portal | Liferay | 7.3.5 (including) | 7.3.5 (including) |