# CVE-2026-67287: Joomla Extension - joomshaper.com - Unauthenticated comment creation in SP Page Builder < 6.8.0

> Unauthenticated attackers can create comments by overriding disabled guest settings, requiring an upgrade to SP Page Builder.

- **Severity:** Medium 6.3 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 12 Aug 2026
- **Updated:** 14 Aug 2026
- **Also known as:** GHSA-43q2-pmmj-8ph8

## What is CVE-2026-67287?

CVE-2026-67287 is a medium-severity missing authorization vulnerability in joomshaper.com SP Page Builder extension for Joomla, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Joomla Extension - joomshaper.com - Unauthenticated comment creation in SP Page Builder < 6.8.0 - An unauthenticated attacker can create comments on instances with disabled guest commenting by overriding the setting in question with user supplied input.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-67287?


## How do I fix CVE-2026-67287?

No fix has been published for CVE-2026-67287 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-67287 being exploited?

There is no known exploitation of CVE-2026-67287 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-67287 and fix it if it is affected.

What it is: CVE-2026-67287 is a medium-severity missing authorization vulnerability in joomshaper.com SP Page Builder extension for Joomla, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-67287 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-2026-67287/ (Markdown: https://insights.sbomify.com/CVE-2026-67287/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-67287
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-67287
- OSV: https://osv.dev/vulnerability/CVE-2026-67287

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-67287/
Summaries are generated and may contain mistakes; the official description above is the record.