There is a possible XSS vulnerability in Rails / Action Pack. This vulnerability has been
assigned the CVE identifier CVE-2022-22577.
Versions Affected: >= 5.2.0
Not affected: < 5.2.0
Fixed Versions: 7.0.2.4, 6.1.5.1, 6.0.4.8, 5.2.7.1
Impact
------
CSP headers were only sent along with responses that Rails considered as
"HTML" responses. This left API requests without CSP headers, which could
possibly expose users to XSS attacks.
Releases
--------
The FIXED releases are available at the normal locations.
Workarounds
-----------
Set a CSP for your API responses manually.
Patches
-------
To aid users who aren't able to upgrade immediately we have provided patches for
the two supported release series. They are in git-am format and consist of a
single changeset.
* 5-2-csp-xss.patch - Patch for 5.2 series
* 6-0-csp-xss.patch - Patch for 6.0 series
* 6-1-csp-xss.patch - Patch for 6.1 series
* 7-0-csp-xss.patch - Patch for 7.0 series
Credits
-------
Thank you Tim Wade for making the patch, and thank you
[thorsteneckel](https://hackerone.com/thorsteneckel?type=user) for reporting
this issue.