CVE-2026-16558
Last modified
CVE-2026-16558 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it on a public endpoint, and does not verify object ownership when the setting is saved, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any visitor viewing an affected filter.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.
Description
The YMC Filter WordPress plugin before 3.12.8 does not sanitize and escape a layout builder setting before outputting it on a public endpoint, and does not verify object ownership when the setting is saved, allowing users with the Contributor role and above to store JavaScript that executes in the browser of any visitor viewing an affected filter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | YMC Filter | >= 3.6.0, < 3.12.8 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-16558?
How severe is CVE-2026-16558?
How do I fix CVE-2026-16558?
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-2026-16548The Chat Widget: Floating Customer Support Button for 30+ Ch…6.5
- CVE-2026-1655The EventPrime plugin for WordPress is vulnerable to unautho…4.3
- CVE-2026-16551Denial-of-Service in Thinkst Applied Research OpenCanary (Mo…6.9
- CVE-2026-16552Rejected reason: The reported issue is invalid, as it requir…
- CVE-2026-16553GitLab has remediated an issue in GitLab EE affecting all ve…5.4
- CVE-2026-16554cJSON library is vulnerable to an integer overflow in the pr…5.1
- CVE-2026-16559The YMC Filter WordPress plugin before 3.12.9 does not sanit…6.8
- CVE-2026-1656The Business Directory Plugin for WordPress is vulnerable to…5.3
- CVE-2026-16560A heap-buffer-overflow flaw was found in Directory Server (3…5.3
- CVE-2026-16561The Sunshine Photo Cart WordPress plugin before 3.6.12 does…7.5
- CVE-2026-16562The WP Statistics WordPress plugin before 14.16.10 does not…6.5
- CVE-2026-16563The Academy LMS WordPress plugin before 3.8.3 does not verif…6.5
Are you affected by CVE-2026-16558?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST