CVE-2026-66627 WordPress GP Premium plugin <= 2.5.5 - Arbitrary File Upload vulnerability
Critical 9.9
Published
Updated
Check this codebase for CVE-2026-66627 and fix it if it is affected.
What it is: CVE-2026-66627 is a critical vulnerability in EDGE22 Studios Ltd. GP Premium, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-66627 in the wild and no public exploit code.
Affected product: EDGE22 Studios Ltd. GP Premium. 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-2026-66627/ (Markdown: https://insights.sbomify.com/CVE-2026-66627/index.md)
Attackers can upload malicious files to execute remote code on sites using the GP Premium WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66627?
CVE-2026-66627 is a critical vulnerability in EDGE22 Studios Ltd. GP Premium, published on 18 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Unrestricted Upload of File with Dangerous Type vulnerability in EDGE22 Studios Ltd. GP Premium allows Remote Code Inclusion.
This issue affects GP Premium: from n/a through 2.5.5.
Weakness: CWE-434
Which versions are affected by CVE-2026-66627?
How do I fix CVE-2026-66627?
No fix has been published for CVE-2026-66627 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-66627 being exploited?
There is no known exploitation of CVE-2026-66627 in the wild and no public exploit code.
Sources
Also known as GHSA-5gj5-g7p3-6584.