CVE-2026-16540
Last modified
CVE-2026-16540 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
The Simply Schedule Appointments WordPress plugin before 1.6.12.6 does not correctly restrict a bulk appointment operation to the requester's own records, allowing unauthenticated users to retrieve the personal data of all appointments across the site and, on premium editions, to permanently delete them.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Simply Schedule Appointments | < 1.6.12.6 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-16540?
How severe is CVE-2026-16540?
How do I fix CVE-2026-16540?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- 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-2026-16535The Link Library WordPress plugin before 7.9.4 does not sani…6.1
- CVE-2026-16536The Simple Google Calendar Outlook Events Widget WordPress p…5.3
- CVE-2026-16537The Slick Slider WordPress plugin before 0.5.3 does not sani…5.4
- CVE-2026-16538The Wallet for WooCommerce WordPress plugin before 1.6.10 do…
- CVE-2026-16539The sm page duplicator WordPress plugin through 1.0.0 does n…8.1
- CVE-2026-1654The Peter's Date Countdown plugin for WordPress is vulnerabl…6.1
- CVE-2026-16543Kong Operator's embedded Kong Kubernetes Ingress Controller …7.1
- CVE-2026-16544A flaw was found in AWX. The websocket event consumer perfor…6.5
- CVE-2026-16546The Wired Impact Volunteer Management WordPress plugin befor…4.3
- CVE-2026-16547The REST API Log WordPress plugin before 1.7.1 does not bind…5.9
- CVE-2026-16548The Chat Widget: Floating Customer Support Button for 30+ Ch…6.5
- CVE-2026-1655The EventPrime plugin for WordPress is vulnerable to unautho…4.3
Are you affected by CVE-2026-16540?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST