CVE-2022-39239: netlify-ipx is an on-Demand image optimization for Netlify using ipx
CVE-2022-39239 is a medium-severity flaw (CVSS 6.1) affecting netlify-ipx. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
netlify-ipx is an on-Demand image optimization for Netlify using ipx. In versions prior to 1.2.3, an attacker can bypass the source image domain allowlist by sending specially crafted headers, causing the handler to load and return arbitrary images. Because the response is cached globally, this image will then be served to visitors without requiring those headers to be set. XSS can be achieved by requesting a malicious SVG with embedded scripts,
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-39239?
netlify-ipx: upgrade to 1.2.3. Exact commands for each OS are on this page.
Is CVE-2022-39239 being exploited?
CVE-2022-39239 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-39239 affect?
CVE-2022-39239 affects netlify-ipx. Severity is medium (CVSS 6.1). netlify-ipx is an on-Demand image optimization for Netlify using ipx. In versions prior to 1.2.3, an attacker can bypass the source image domain allowlist by sending specially crafted headers, causing the handler to load and return arbitrar
How urgent is CVE-2022-39239?
Priority 31/100. No elevated risk signals yet.