CVE-2026-48940
Last modified
CVE-2026-48940 is a low-severity vulnerability rated 3.4/10 on the CVSS scale. A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
A Joomla user with K2 "create item" rights (Author tier by default) can submit an article whose `embedVideo` POST field contains a raw `<script>` tag; K2 stores it verbatim and renders it unescaped to any visitor of the article page.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Joomlaworks | K2 | <= 2.26 |
References
- https://www.getk2.org/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-48940?
How severe is CVE-2026-48940?
How do I fix CVE-2026-48940?
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-2026-48933A flaw in Node.js WebCrypto implementation can crash the pro…7.5
- CVE-2026-48934A flaw in Node.js TLS host verification can cause an attacke…4.3
- CVE-2026-48935A flaw in Node.js Permission API can cause a file metadata t…3.3
- CVE-2026-48936A flaw in Node.js Permission API can cause a local server to…3.3
- CVE-2026-48937A flaw in Node.js HTTP/2 server API can cause servers to kee…5.3
- CVE-2026-48939A vulnerability in the iCagenda extension for Joomla allows …9.8
- CVE-2026-48941The K2 frontend `item.checkin` task accepts an unauthenticat…6.5
- CVE-2026-48942K2 ≤ 2.26 renders the `#__k2_users.image` column directly in…6.1
- CVE-2026-48943K2 ≤ 2.24 contains a mass-assignment defect in the K2 system…6.5
- CVE-2026-48944The K2 frontend article-save handler accepts an `attachment[…6.5
- CVE-2026-48945The K2 article gallery upload path accepts a zip/tar archive…5.3
- CVE-2026-48946The K2 frontend article-attachment upload path accepts files…6.3
Are you affected by CVE-2026-48940?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST