CVE-2026-6553

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0002

Probability of exploitation

0.05%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-312 CWE-312

Affected Products

Vendor	Product	Versions
typo3	typo3	All

References

Advisories & Patches

https://github.com/TYPO3/typo3/commit/9a6e913f70767f63b322ae3e2d2f4e302624c291 https://typo3.org/security/advisory/typo3-core-sa-2026-005

Frequently Asked Questions

What is CVE-2026-6553? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-6553? +

CVE-2026-6553 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0002, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-6553? +

CVE-2026-6553 affects products from typo3, specifically: typo3. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-6553? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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