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...

iClicker Website Hacked with Fake CAPTCHA in ClickFix Attack

Popular student engagement platform iClicker's website was compromised with a ClickFix attack. A fake "I'm not a robot"…...

WordPress plugin IMITHEMES Listing 安全漏洞

WordPress and WordPress plugin are both products of the WordPress Foundation.WordPress is a blogging platform developed using the PHP language. The platform supports personal blog sites on servers running PHP and MySQL.WordPress plugin is an application plugin. A security vulnerability exists in...

DICOM Compatible, 3D Multimodality Image Encryption Using Hyperchaotic Signal

Medical image encryption plays an important role in protecting sensitive health information from cyberattacks and unauthorized access. In this paper, we introduce a secure and robust encryption scheme that is multi-modality compatible and works with MRI, CT, X-Ray and Ultrasound images for...

CVE-2025-42601

This vulnerability exists in Meon KYC solutions due to insufficient server-side validation of the Captcha in certain API endpoints. A remote attacker could exploit this vulnerability by intercepting the request and removing the Captcha parameter leading to bypassing the Captcha verification...