CVE-2022-29577: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

April 21, 2022 (updated February 23, 2023)

OWASP AntiSamy before 1.6.7 allows XSS via HTML tag smuggling on STYLE content with crafted input. The output serializer does not properly encode the supposed Cascading Style Sheets (CSS) content. NOTE: this issue exists because of an incomplete fix for CVE-2022-28367.

References

github.com/advisories/GHSA-vp37-2f9p-3vr3
github.com/nahsra/antisamy/commit/32e273507da0e964b58c50fd8a4c94c9d9363af0
github.com/nahsra/antisamy/releases/tag/v1.6.7
nvd.nist.gov/vuln/detail/CVE-2022-29577

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