RTMKit contributors can trigger PHP object injection
RTMKit through 2.1.5 permits a Contributor to supply serialized data that reaches PHP object deserialization. Where a usable gadget chain is present, exploitation can execute attacker-controlled code and compromise the WordPress hosting account.
- Component
- RTMKit
- Plugin slug
rometheme-for-elementor- Affected
- n/a through 2.1.5
- Safe version
2.1.6- Published
- Sep 03, 2026
This CVE was published Sep 03, 2026 and is one of 18 known issues for this plugin.
Update, patch or deactivate.
Update to 2.1.6 or later and investigate the site for unauthorized files, accounts, and code execution by Contributor-level users.
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
Contributor PHP Object Injection in RTMKit <= 2.1.5 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H