XSS in Typo3 Svg Sanitizer

CVE-2020-11070

The SVG Sanitizer extension for TYPO3 has a cross-site scripting vulnerability in versions before 1.0.3. Slightly invalid or incomplete SVG markup is not correctly processed and thus not sanitized at all. Albeit the markup is not valid it still is evaluated in browsers and leads to cross-site scripting. This is fixed in version 1.0.3.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (42.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-11070?
CVE-2020-11070 is a medium-severity vulnerability in Typo3 Svg Sanitizer, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-05-13.
How severe is CVE-2020-11070?
Medium severity. CVSS v3 base score is 5.4 out of 10.