Fix stored XSS in RichText deserializer (GHSA-8rqh-vxpr-x77p) - #3
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instification wants to merge 1 commit into
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Fix stored XSS in RichText deserializer (GHSA-8rqh-vxpr-x77p)#3instification wants to merge 1 commit into
instification wants to merge 1 commit into
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Backport the upstream 9.15.6 fix (e0b392f, CVE-2026-54503) onto the 8.43.4 deploy fork: reject RichText input that claims content-type text/x-html-safe when that is not the field's default mime type, so a client cannot bypass the safe-HTML transform by spoofing the type.
JeffersonBledsoe
approved these changes
Jul 17, 2026
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Backport the upstream 9.15.6 fix (e0b392f, CVE-2026-54503) onto the 8.43.4 deploy fork: reject RichText input that claims content-type text/x-html-safe when that is not the field's default mime type, so a client cannot bypass the safe-HTML transform by spoofing the type.
📚 Documentation preview 📚: https://plonerestapi--3.org.readthedocs.build/