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 after it is used, which allows remote attackers to repeatedly perform actions protected by a CAPTCHA challenge by reusing the same CAPTCHA answer...

CVE-2021-41435

A brute-force protection bypass in CAPTCHA protection in ASUS ROG Rapture GT-AX11000, RT-AX3000, RT-AX55, RT-AX56U, RT-AX56UV2, RT-AX58U, RT-AX82U, RT-AX82U GUNDAM EDITION, RT-AX86 SeriesRT-AX86U/RT-AX86S, RT-AX86U ZAKU II EDITION, RT-AX88U, RT-AX92U, TUF Gaming AX3000, TUF Gaming AX5400...

CVE-2021-37417

Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation...

CVE-2020-21865

ThinkPHP50-CMS v1.0 contains a remote code execution RCE vulnerability in the component /public/?s=captcha...

CVE-2012-2435

Directory traversal vulnerability in the captcha module in Pligg CMS before 1.2.2 allows remote authenticated users to include and execute arbitrary local files via a .. dot dot in the captcha parameter to module.php, as demonstrated by cross-site request forgery CSRF attacks...

CVE-2013-6246

The Dell Quest One Password Manager, possibly 5.0, allows remote attackers to bypass CAPTCHA protections and obtain sensitive information user's full name by sending a login request with a valid domain and username but without the CaptchaType, UseCaptchaEveryTime, and CaptchaResponse parameters...

CVE-2013-4982

AVTECH AVN801 DVR has a security bypass via the administration login captcha...

CVE-2017-9091

/admin/loginc.php in Allen Disk 1.6 doesn't check if isset$SESSION'captcha''code' == 1, which leads to CAPTCHA bypass by emptying $POST'captcha'...

CVE-2017-9090

reg.php in Allen Disk 1.6 doesn't check if isset$SESSION'captcha''code'==1, which makes it possible to bypass the CAPTCHA via an empty $POST'captcha'...

CVE-2019-19825

On certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an "topicurl":"setting/getSanvas" POST to the boafrm/formLogin URI, leading to a CAPTCHA bypass. Also, the CAPTCHA text is not needed once the attacker has determined valid credentials. The attacker can perform...

CVE-2019-13190

In Knowage through 6.1.1, the sign up page does not invalidate a valid CAPTCHA token. This allows for CAPTCHA bypass in the signup page...

CVE-2018-13060

Easy!Appointments 1.3.0 has a Guessable CAPTCHA issue...

CVE-2018-20988

The wpgform plugin before 0.94 for WordPress has eval injection in the CAPTCHA calculation...

CVE-2010-5338

IceWarp Webclient before 10.2.1 has XSS via an HTTP POST request: webmail/basic/ with the parameter dlgcaptchaaction is non-persistent in 10.1.3 and 10.2.0...

CVE-2019-13983

Directus 7 API before 2.2.2 has insufficient anti-automation, as demonstrated by lack of a CAPTCHA in core/Directus/Services/AuthService.php and endpoints/Auth.php...

CVE-2018-15876

An issue was discovered in the ajax-bootmodal-login plugin 1.4.3 for WordPress. The register form, login form, and password-recovery form require solving a CAPTCHA to perform actions. However, this is required only once per user session, and therefore one could send as many requests as one wished...

CVE-2009-10001

A vulnerability classified as problematic was found in jianlinwei cool-php-captcha up to 0.2. This vulnerability affects unknown code of the file example-form.php. The manipulation of the argument captcha with the input %3Cscript%3Ealert1%3C/script%3E leads to cross site scripting. The attack can...

CVE-2009-3818

Unspecified vulnerability in the session handling feature in freeCap CAPTCHA srfreecap extension 1.2.0 and earlier for TYPO3 has unknown impact and attack vectors...

CVE-2005-4163

Directory traversal vulnerability in captcha.php in Captcha PHP 0.9 allows remote attackers to read arbitrary files via the tcf parameter...

Fake CAPTCHA Attacks Deploy Infostealers and RATs in a Multistage Payload Chain

We have detected a new tactic involving fake CAPTCHA pages that trick users into executing harmful commands in Windows. This scheme uses disguised files sent via phishing and other malicious methods...