Improper Handling of Additional Special Element in squidex/squidex
Priority MEDIUM 53CWE-167Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Improper Handling of Additional Special Element in GitHub repository squidex/squidex prior to 7.4.0.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00638 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed squidex/squidex (squidex): 7.4.0
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA squidex/squidex (squidex) Fixed in 7.4.0
Timeline
- 2026-10-02 Threatist record created from CVE-2023-3580
- 2026-10-03 Alias added: GHSA-p83x-2782-8pc4
- 2026-10-25 EPSS moved to the 50th–90th percentile
References
More Squidex vulnerabilities
- TI-2026-19941 Squidex has Server-Side Request Forgery (SSRF) Issue in Webhook Configuration CVSS 3.1CRITICAL 9.1
- TI-2023-24880 Remote code execution in Squidex CVSS 3.1CRITICAL 9.1
- TI-2023-00608 Cross-Site Request Forgery (CSRF) in squidex/squidex CVSS 3.1MEDIUM 6.5
- TI-2023-00609 Improper Handling of Additional Special Element in squidex/squidex CVSS 3.1MEDIUM 6.1
- TI-2023-25227 Stored Cross-site Scripting in Squidex CVSS 3.1MEDIUM 5.4
- TI-2023-09957 Squidex before 7.4.0 was discovered to contain a squid.svg cross-site scripting (XSS) vulnerability. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2023-3580 · CVE Program
- CVE-2023-3580 · NVD
- FIRST EPSS
- GHSA-p83x-2782-8pc4 · GitHub Advisory Database · CC BY 4.0
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