CVE-2025-69723 A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of
Medium 6.1
Published
Updated
Check this codebase for CVE-2025-69723 and fix it if it is affected.
What it is: CVE-2025-69723 is a medium-severity vulnerability in n/a, published on 22 Oct 2026.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69723 exists.
Affected product: n/a. 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-2025-69723/ (Markdown: https://insights.sbomify.com/CVE-2025-69723/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2025-69723?
CVE-2025-69723 is a medium-severity vulnerability in n/a, published on 22 Oct 2026.
Official description
A reflected cross-site scripting (XSS) vulnerability in localstack v4.9.2 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL.
Weakness: CWE-79
Which versions are affected by CVE-2025-69723?
How do I fix CVE-2025-69723?
No fix has been published for CVE-2025-69723 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-69723 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69723 exists.
Sources
Also known as GHSA-cq3h-9qqr-9fhq.