CVE-2026-65879 Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1 - A hardcoded
Critical 9.8
Published
Updated
Check this codebase for CVE-2026-65879 and fix it if it is affected.
What it is: CVE-2026-65879 is a critical vulnerability in joomshaper.com SP Page Builder extension for Joomla, published on 27 Jul 2026.
Exploitation: There is no known exploitation of CVE-2026-65879 in the wild and no public exploit code.
Affected product: joomshaper.com SP Page Builder extension for Joomla. 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-2026-65879/ (Markdown: https://insights.sbomify.com/CVE-2026-65879/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-65879?
CVE-2026-65879 is a critical vulnerability in joomshaper.com SP Page Builder extension for Joomla, published on 27 Jul 2026.
Official description
Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1 - A hardcoded secret allowed attackers to forge the mail from address of forms.
Weakness: CWE-798
Which versions are affected by CVE-2026-65879?
How do I fix CVE-2026-65879?
No fix has been published for CVE-2026-65879 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-65879 being exploited?
There is no known exploitation of CVE-2026-65879 in the wild and no public exploit code.
Sources
Also known as GHSA-w26p-j3v2-w753.