DescriptionIn actionpack gem >= 6.0.0, a possible XSS vulnerability exists when an application is running in development mode allowing an attacker to send or embed (in another page) a specially crafted URL which can allow the attacker to execute JavaScript in the context of the local application. This vulnerability is in the Actionable Exceptions middleware.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs971988

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
rails (PTS)buster2:
buster (security)2:
bullseye (security), bullseye2:
sid, trixie2:

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
railssourcestretch(not affected)
railssourcebuster(not affected)


[buster] - rails <not-affected> (Vulnerable code not present)
[stretch] - rails <not-affected> (Vulnerable code not present)

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