hcaptcha Extension up to 2.1.1 on TYPO3 CAPTCHA denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in hcaptcha Extension up to 2.1.1 on TYPO3. The impacted element is an unknown function of the component CAPTCHA Handler. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2023-41100. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in hcaptcha Extension up to 2.1.1 on TYPO3. It has been rated as problematic. This issue affects some unknown processing of the component CAPTCHA Handler. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

An issue was discovered in the hcaptcha (aka hCaptcha for EXT:form) extension before 2.1.2 for TYPO3. It fails to check that the required captcha field is submitted in the form data. allowing a remote user to bypass the CAPTCHA check.

The weakness was released 08/23/2023. The advisory is shared at typo3.org. The identification of this vulnerability is CVE-2023-41100 since 08/23/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 2.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2251). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: hcaptcha Extension 2.1.2

Timelineinfo

08/23/2023 🔍
08/23/2023 +0 days 🔍
08/23/2023 +0 days 🔍
07/27/2025 +704 days 🔍

Sourcesinfo

Advisory: typo3.org
Status: Confirmed

CVE: CVE-2023-41100 (🔍)
GCVE (CVE): GCVE-0-2023-41100
GCVE (VulDB): GCVE-100-237761
EUVD: 🔍

Entryinfo

Created: 08/23/2023 10:06
Updated: 07/27/2025 04:27
Changes: 08/23/2023 10:06 (48), 09/16/2023 06:37 (9), 07/27/2025 04:27 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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