What is CVE-2022-23504?

CVE-2022-23504 is a medium-severity vulnerability in Typo3, classified under Information Disclosure. CVSS score: 5.7/10. Published 2022-12-14.

How severe is CVE-2022-23504?

Medium severity. CVSS v3 base score is 5.7 out of 10.

RCE in Typo3

CVE-2022-23504

TYPO3 is an open source PHP based web content management system. Versions prior to 9.5.38, 10.4.33, 11.5.20, and 12.1.1 are subject to Sensitive Information Disclosure. Due to the lack of handling user-submitted YAML placeholder expressions in the site configuration backend module, attackers could expose sensitive internal information, such as system configuration or HTTP request messages of other website visitors. A valid backend user account having administrator privileges is needed to exploit this vulnerability. This issue has been patched in versions 9.5.38 ELTS, 10.4.33, 11.5.20, 12.1.1.

Vulnerability class: Information Disclosure

EPSS: 0.005 (40.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:L.

Affected products

Typo3 — versions >= 9.0.0, < 9.5.38, >= 10.0.0, < 10.4.33, >= 11.0.0, < 11.5.20

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2022-23504?: CVE-2022-23504 is a medium-severity vulnerability in Typo3, classified under Information Disclosure. CVSS score: 5.7/10. Published 2022-12-14.
How severe is CVE-2022-23504?: Medium severity. CVSS v3 base score is 5.7 out of 10.