CVE-2026-26223
Last modified
CVE-2026-26223 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. SPIP before 4.4.8 allows cross-site scripting (XSS) in the private area via malicious iframe tags. The application does not properly sandbox or escape iframe content in the back-office, allowing an attacker to inject and execute malicious scripts. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
SPIP before 4.4.8 allows cross-site scripting (XSS) in the private area via malicious iframe tags. The application does not properly sandbox or escape iframe content in the back-office, allowing an attacker to inject and execute malicious scripts. The fix adds a sandbox attribute to iframe tags in the private area. This vulnerability is not mitigated by the SPIP security screen.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Spip | Spip | >= 4.4.0, < 4.4.8 |
References
- https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-8.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2026-26223?
How severe is CVE-2026-26223?
How do I fix CVE-2026-26223?
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-2026-26218newbee-mall includes pre-seeded administrator accounts in it…9.8
- CVE-2026-26219newbee-mall stores and verifies user passwords using an unsa…9.3
- CVE-2026-2622A vulnerability was detected in Blossom up to 1.17.1. This v…5.4
- CVE-2026-26220LightLLM version 1.1.0 and prior contain an unauthenticated …9.3
- CVE-2026-26221Hyland OnBase contains an unauthenticated .NET Remoting expo…9.8
- CVE-2026-26222Altec DocLink (now maintained by Beyond Limits Inc.) version…9.8
- CVE-2026-26224Intego Log Reporter, a macOS diagnostic utility bundled with…8.5
- CVE-2026-26225Intego Personal Backup, a macOS backup utility that allows u…8.5
- CVE-2026-26226beautiful-mermaid versions prior to 0.1.3 contain an SVG att…5.3
- CVE-2026-26227VideoLAN VLC for Android prior to version 3.7.0 contains an …6.3
- CVE-2026-26228VideoLAN VLC for Android prior to version 3.7.0 contains a p…4.9
- CVE-2026-26229Rejected reason: This CVE ID has been rejected or withdrawn …
Are you affected by CVE-2026-26223?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST