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TI-2026-58290 Aliases CVE-2026-84793GHSA-wf9j-59pf-vfvj

Craft CMS 5.0.0-RC1 before 5.10.11 Stored XSS via site name

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Craft CMS versions from 5.0.0-RC1 before 5.10.11 contain a stored cross-site scripting vulnerability in the site name field that fails to sanitize input. Administrators can inject arbitrary JavaScript payloads in the site name that execute when other users view the control panel settings pages.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00251 16th percentileScored 2026-11-07
Fix Fixed cms (craftcms): 5.10.11

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
Craft CMScms5.0.0-RC1 to before 5.10.115.10.11Patch availableCNA
  • cms VendorCraft CMS Affected 5.0.0-RC1 to before 5.10.11 Fixed in 5.10.11 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*——Craft CMS
  • cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:* Versions — — ·Craft CMS

Remediation

  • Fix · CNA cms (craftcms) Fixed in 5.10.11

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    craftcms cms 5.10.11

    10 records Highest priority Priority MEDIUM 5 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2026-58292 Craft CMS before 5.10.11 Authentication Bypass via Admin Flag InheritancePriority MEDIUM 48
    • TI-2026-58298 Craft CMS 5.0.0-RC1 before 5.10.11 Authentication Bypass via administrateUsersPriority MEDIUM 40
    • TI-2026-58293 Craft CMS 5.0.0-RC1 before 5.10.11 GraphQL Entry Mutation Site Scope BypassPriority MEDIUM 40

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-84793
  2. 2026-10-03 Alias added: GHSA-wf9j-59pf-vfvj

References

  • TI-2025-23503 Craft CMS Allows Remote Code Execution KEVCVSS 3.1CRITICAL 10.0
  • TI-2024-37138 RCE when PHP `register_argc_argv` config setting is enabled in craftcms/cms KEVCVSS 4.0CRITICAL 9.3
  • TI-2025-16994 Potential RCE with a compromised security key in craft/cms KEVCVSS 3.1HIGH 8.1
  • TI-2025-24595 Craft CMS stores user-provided content in session files KEVCVSS 4.0MEDIUM 6.9
  • TI-2023-22284 Craft CMS Remote Code Execution vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2024-25171 Craft CMS up to v3.7.31 was discovered to contain a SQL injection vulnerability via the GraphQL API endpoint. CVSS 3.1CRITICAL 9.8
See all 203 →

Sources