CVE WatchJul 9, 2026

CVE-2021-29047

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 af

CVSS

7.5

High

EPSS

1.1%

p61

KEV

—

Exploit Today

0-100

Published: May 16, 2021 · Last modified: Jul 9, 2026 · CWE-287

EPSS · 30d

1.1%EPSS · 30 days1.1%

2026-06-302026-07-16

Technical description

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.

Official references

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