CVE-2026-88793
Last modified
CVE-2026-88793 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX actions, relying only on a nonce it prints on every front-end page, and does not escape the stored data before rendering it, allowing unauthenticated attackers to store arbitrary web scripts which will execute in the session of any user viewing the affected content, including an administrator.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
The YouTube Embed WordPress plugin from 10.0 to 10.3 does not perform any authorisation check on one of its AJAX actions, relying only on a nonce it prints on every front-end page, and does not escape the stored data before rendering it, allowing unauthenticated attackers to store arbitrary web scripts which will execute in the session of any user viewing the affected content, including an administrator.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Unknown | YouTube Embed | >= 10.0, <= 10.3 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-88793?
How severe is CVE-2026-88793?
How do I fix CVE-2026-88793?
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-2026-88770A flaw was found in the Device Authorization Grant flow of K…6.5
- CVE-2026-8878Version 3.0.7 of the Securly Chrome Extension exposes multip…7.5
- CVE-2026-88788The Text Styler WordPress plugin through 1.1.1 does not sani…6.8
- CVE-2026-8879Version 3.0.7 of the Securly Chrome Extension dynamically re…7.5
- CVE-2026-88790A security vulnerability has been detected in proma-ai Proma…4.8
- CVE-2026-88792The Dictionary WordPress plugin through 1.0 does not have au…8.8
- CVE-2026-88795The wpShopGermany IT-RECHT KANZLEI WordPress plugin before 2…9
- CVE-2026-88798The Really Simple Security WordPress plugin before 9.8.3 do…5.3
- CVE-2026-8880The RomanCart Ecommerce plugin for WordPress is vulnerable t…6.4
- CVE-2026-88802The MDJM Event Management WordPress plugin before 1.7.8.5 an…7.5
- CVE-2026-88806A malicious X server could exploit a buffer overflow in libX…7.5
- CVE-2026-88807A heap overflow in libXrender before 0.9.13 in RenderQueryPi…8.9
Are you affected by CVE-2026-88793?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST