CVE-2021-31778: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

June 8, 2021

The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.

References

github.com/advisories/GHSA-xpxm-pf7g-2534
github.com/ghermens/media2click/commit/3c4e413fbc7d35c47212e754c24d5070637a11a3
nvd.nist.gov/vuln/detail/CVE-2021-31778
packagist.org/packages/amazing/media2click
typo3.org/security/advisory/typo3-ext-sa-2021-004

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