CVE-2026-15273
Last modified
CVE-2026-15273 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. The Automatic.css plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI in all version 4.0.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that will execute whenever an administrator accesses the Activity Log settings page.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
The Automatic.css plugin for WordPress is vulnerable to Stored Cross-Site Scripting via REQUEST_URI in all version 4.0.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that will execute whenever an administrator accesses the Activity Log settings page.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Automatic.css | Automatic.css | 4.0.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
What is CVE-2026-15273?
How severe is CVE-2026-15273?
How do I fix CVE-2026-15273?
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-2026-15262The Admin Columns for ACF Fields WordPress plugin through 0.…5.4
- CVE-2026-15265A path traversal vulnerability in Tenable Agent 11.2.0 and 1…9.1
- CVE-2026-15267The Taskbuilder – Project Management & Task Management Tool …6.5
- CVE-2026-1527ImpactWhen an application passes user-controlled input to th…4.6
- CVE-2026-15270A weakness has been identified in D-link DIR-823G 1.0.2B05_2…7.5
- CVE-2026-15271A security vulnerability has been detected in TOTOLINK A3000…7.5
- CVE-2026-15274A vulnerability was detected in lo48576 fbxcel up to 0.9.0. …3.3
- CVE-2026-15275The WP Multi Store Locator Pro plugin for WordPress is vulne…7.5
- CVE-2026-15276A flaw has been found in pdeljanov Symphonia up to 0.6.0. Th…3.3
- CVE-2026-1528ImpactA server can reply with a WebSocket frame using the 64…7.5
- CVE-2026-15280IBM WebSphere Application Server - Liberty 17.0.0.3 through …7.5
- CVE-2026-15281The User Access Manager plugin for WordPress is vulnerable t…6.5
Are you affected by CVE-2026-15273?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST