CVE-2019-19493 Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.
Medium 5.4
Published
Updated
Check this codebase for CVE-2019-19493 and fix it if it is affected.
What it is: CVE-2019-19493 is a medium-severity vulnerability in Kentico Xperience, published on 2 Dec 2019.
Exploitation: There is no known exploitation of CVE-2019-19493 in the wild and no public exploit code.
Affected product: Kentico Xperience. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2019-19493/ (Markdown: https://insights.sbomify.com/CVE-2019-19493/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2019-19493?
CVE-2019-19493 is a medium-severity vulnerability in Kentico Xperience, published on 2 Dec 2019.
Official description
Kentico before 12.0.50 allows file uploads in which the Content-Type header is inconsistent with the file extension, leading to XSS.
Which versions are affected by CVE-2019-19493?
It affects 1 product.
Products include Kentico Xperience.
How do I fix CVE-2019-19493?
No fix has been published for CVE-2019-19493 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-19493 being exploited?
There is no known exploitation of CVE-2019-19493 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Kentico Xperience
- CVE-2025-2746 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2025-2747 Kentico Xperience CMS Authentication Bypass Using an Alternate Path or Channel
- CVE-2019-10068 Kentico Xperience Deserialization of Untrusted Data
- CVE-2025-2749 Kentico Xperience Path Traversal
- CVE-2017-17736 Missing authorization in n/a
Sources
Also known as GHSA-997h-jrc2-j4f2.