Wagtail: Reflected XSS in dynamic image URL generator view
High-risk advisory
CVE-2026-54263
Summary
Wagtail: Reflected XSS in dynamic image URL generator view
Why it matters
GitHub has published a reviewed security advisory for wagtail. Prioritize it with other application dependency updates, especially because EPSS places it in the 11% percentile.
Operator check
Check whether wagtail is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 11%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.