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TI-2023-03342 Aliases CVE-2023-3580GHSA-p83x-2782-8pc4

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

VendorProductAffected versionsFixed inStatusSource
Squidexsquidex/squidexbefore 7.4.07.4.0Patch availableCNA
  • squidex/squidex VendorSquidex Affected before 7.4.0 Fixed in 7.4.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:squidex.io:squidex:*:*:*:*:*:*:*:*before 7.4.0VulnerableSquidex
  • cpe:2.3:a:squidex.io:squidex:*:*:*:*:*:*:*:* Versions before 7.4.0 Vulnerable ·Squidex

Remediation

  • Fix · CNA squidex/squidex (squidex) Fixed in 7.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3580
  2. 2026-10-03 Alias added: GHSA-p83x-2782-8pc4
  3. 2026-10-25 EPSS moved to the 50th–90th percentile

References

  • 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
See all 8 →

Sources