CVE-2016-9403 newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impac
Critical 9.8
Published
Updated
Check this codebase for CVE-2016-9403 and fix it if it is affected.
What it is: CVE-2016-9403 is a critical vulnerability in Mybb Mybb, published on 31 Jan 2017.
Exploitation: There is no known exploitation of CVE-2016-9403 in the wild and no public exploit code.
Affected product: Mybb Mybb. 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-2016-9403/ (Markdown: https://insights.sbomify.com/CVE-2016-9403/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2016-9403?
CVE-2016-9403 is a critical vulnerability in Mybb Mybb, published on 31 Jan 2017.
Official description
newreply.php in MyBB (aka MyBulletinBoard) before 1.8.7 and MyBB Merge System before 1.8.7 allows remote attackers to have unspecified impact by leveraging a missing permission check.
Weakness: CWE-264
Which versions are affected by CVE-2016-9403?
It affects 2 products.
Products include Mybb Merge System, Mybb Mybb.
How do I fix CVE-2016-9403?
No fix has been published for CVE-2016-9403 yet. Limit exposure of the affected software until one is available.
Is CVE-2016-9403 being exploited?
There is no known exploitation of CVE-2016-9403 in the wild and no public exploit code.
Other vulnerabilities in Mybb Mybb
Sources
Also known as GHSA-p7mx-h8c5-6rp5.