GHSA-qvhv-pwww-53jj

Typo3 Cross-Site Scripting in Flash component (ELTS)

Source: GitHub Advisory Database (reviewed) Moderate CVE-2020-8091

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	typo3/cms	>= 7.0.0, < 7.2.0	7.2.0
Packagist	typo3/cms	>= 6.2.0, < 6.2.39	6.2.39

Details

As written in the advisory (Markdown source, shown as plain text).

TYPO3 6.2.0 to 6.2.38 ELTS and 7.0.0 to 7.1.0 included a vulnerable external component, which could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack on a targeted system.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2020-8091 advisory
https://github.com/TYPO3/typo3/commit/482e2e992f80f5e38cb48fcaea40fd9812a5252c web
https://github.com/TYPO3/typo3 package
https://github.com/TYPO3/typo3/blob/4cb53e828bd5138d180cdf9cac1ccf7fd31086d2/typo3/sysext/core/Documentation/Changelog/7.2/Breaking-65962-We… web
https://typo3.org/security/advisory/typo3-psa-2019-003 web
https://www.purplemet.com/blog/typo3-xss-vulnerability web