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CVE-2026-6553— TYPO3 CMS Stores Cleartext Password in User Settings Module

Quick assessment

Affected
TYPO3 TYPO3 CMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS 14.2.0版本存在安全漏洞，该漏洞源于通过用户设置模块更改后端用户密码时，将明文密码存储在be_users数据库表的uc和user_settings字段中。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.27% · P17

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-6553

Vulnerability Information
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Vulnerability Title
TYPO3 CMS Stores Cleartext Password in User Settings Module
Source: CVE Program / CVE List V5
Vulnerability Description
Changing backend users' passwords via the user settings module results in storing the cleartext password in the uc and user_settings fields of the be_users database table. This issue affects TYPO3 CMS version 14.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 CMS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 CMS是TYPO3开源的一个内容管理系统。 TYPO3 CMS 14.2.0版本存在安全漏洞，该漏洞源于通过用户设置模块更改后端用户密码时，将明文密码存储在be_users数据库表的uc和user_settings字段中。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TYPO3 TYPO3 CMS 14.2.0 ~ 14.3.0 -

II. Public POCs for CVE-2026-6553

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III. Intelligence Information for CVE-2026-6553

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IV. Related Vulnerabilities

Same product: TYPO3 CMS
Same vendor: TYPO3
Same weakness: CWE-312

V. Comments for CVE-2026-6553

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