Multicollab: Content Team Collaboration and Editorial Workflow: A security weakness
Multicollab: Content Team Collaboration and Editorial Workflow is affected by a security weakness. Exploitation requires at least subscriber-level access. The resulting impact depends on how the affected component exposes the vulnerable operation. The published affected range is <= 5.2.
- Component
- Multicollab: Content Team Collaboration and Editorial Workflow
- Plugin slug
commenting-feature- Affected
- <= 5.2
- Safe version
> 5.2- Published
- May 16, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published May 16, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update Multicollab: Content Team Collaboration and Editorial Workflow to a release after 5.2, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Multicollab: Content Team Collaboration and Editorial Workflow plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'cf_add_comment' function in all versions up to, and including, 5.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to add comments to arbitrary collaborations.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N