CVE-2026-84740
Last modified
CVE-2026-84740 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
The Events Calendar WordPress plugin before 6.17.5.1 does not validate or sanitise data submitted to an unauthenticated AJAX action before merging it into its rendering context, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | The Events Calendar | >= 6.12.0, < 6.17.5.1 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-84740?
How severe is CVE-2026-84740?
How do I fix CVE-2026-84740?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-84734The Mindstien Quick Login WordPress plugin through 1.0 does …9.8
- CVE-2026-84736In the current development version of Eclipse aeriOS, for wh…8.3
- CVE-2026-84737The Freeton WP WordPress plugin through 1.0.0 does not corre…9.8
- CVE-2026-84738The AF Companion WordPress plugin before 2.2.0 does not val…9.1
- CVE-2026-84739GitLab has remediated an issue in GitLab CE/EE affecting all…8.7
- CVE-2026-8474A vulnerability was discovered on Stormshield Network Securi…5.3
- CVE-2026-84741The Events Calendar WordPress plugin before 6.17.5 does not …5.3
- CVE-2026-84742The Events Calendar WordPress plugin before 6.17.5 does not …2.7
- CVE-2026-84743The Events Calendar WordPress plugin before 6.17.5 does not …3.8
- CVE-2026-84744The WPForms Lite WordPress plugin from 1.5.0.1 to 2.0.2 does…6.5
- CVE-2026-84745The Events Calendar WordPress plugin before 6.17.3.1 does no…2.7
- CVE-2026-84747Interpretation conflict in the HTTP protocol implementation …7.5
Are you affected by CVE-2026-84740?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
