CVE-2026-17011
Last modified
CVE-2026-17011 is a low-severity vulnerability rated 3.8/10 on the CVSS scale. The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing.. EPSS estimates a 0.10% chance of exploitation in the next 30 days.
Description
The Nexter Blocks WordPress plugin before 5.0.2 does not restrict who can save global CSS through one of its REST endpoints, allowing users with at least the Contributor role to store arbitrary CSS that is rendered site-wide on the front end, enabling defacement, content hiding, and UI redressing.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Nexter Blocks | < 5.0.2 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-17011?
How severe is CVE-2026-17011?
How do I fix CVE-2026-17011?
How Strix Helps
- Same Subject, Wrong User: A Cross-Issuer Account Takeover in n8nStrix found an identity-binding bug in n8n's token-exchange flow enabling account takeover.
- 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-2026-16999Improper restriction of XML external entity reference vulner…6.3
- CVE-2026-1700A weakness has been identified in projectworlds House Rental…5.4
- CVE-2026-17002Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-17008The Quick Paypal Payments WordPress plugin through 5.7.50 do…5.3
- CVE-2026-1701A security vulnerability has been detected in itsourcecode S…9.8
- CVE-2026-17010The Saitama Addon Pack WordPress plugin through 1.0.8 does n…5.4
- CVE-2026-17012The Accept PayPal & Stripe with Subscriptions for WooCommerc…5.3
- CVE-2026-17013The WP Photo Album Plus WordPress plugin before 9.2.07.002 d…
- CVE-2026-17014The WP Photo Album Plus WordPress plugin before 9.2.07.002 d…5.3
- CVE-2026-17016The Accept PayPal & Stripe with Subscriptions for WooCommerc…3.7
- CVE-2026-17017The CubeWP Framework WordPress plugin before 1.1.31 does not…8.1
- CVE-2026-17018The CubeWP Framework WordPress plugin through 1.1.30 does no…4.9
Are you affected by CVE-2026-17011?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST