CVE-2021-39249 Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become
Medium 6.1
Published
Updated
Check this codebase for CVE-2021-39249 and fix it if it is affected.
What it is: CVE-2021-39249 is a medium-severity vulnerability in n/a, published on 17 Aug 2021.
Exploitation: There is no known exploitation of CVE-2021-39249 in the wild and no public exploit code.
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-2021-39249/ (Markdown: https://insights.sbomify.com/CVE-2021-39249/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2021-39249?
CVE-2021-39249 is a medium-severity vulnerability in n/a, published on 17 Aug 2021.
Official description
Invision Community (aka IPS Community Suite or IP-Board) before 4.6.5.1 allows reflected XSS because the filenames of uploaded files become predictable through a brute-force attack against the PHP mt_rand function.
Weakness: CWE-330
Which versions are affected by CVE-2021-39249?
It affects 1 product.
Products include Invisioncommunity Invision Power Board.
How do I fix CVE-2021-39249?
No fix has been published for CVE-2021-39249 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-39249 being exploited?
There is no known exploitation of CVE-2021-39249 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-59jh-f55w-rf36.