Craft CMS: Authorization bypass in `entries/move-to-section` via missing target-section save check
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-284.
Summary
Craft CMS is a content management system (CMS). In versions 5.0.0-RC1 and above prior to 5.9.21, the EntriesController::actionMoveToSection() endpoint gates the destination section only by viewEntries:$section->uid rather than requiring saveEntries permission (the source entry is separately checked via Entry::canMove()). As a result, a low-privileged authenticated control-panel user who can move an entry out of its current section can call moveEntryToSection() to rewrite the entry's sectionId and save it into a section where they have read access but no write access. This breaks the section-level authorization model, letting a user with limited permissions inject content into a protected section and interfere with editorial boundaries, approval workflows, and section-specific business logic. This issue has been fixed in version 5.9.21.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Craft CMS | cms | 5.0.0-RC1 to before 5.9.21 | 5.9.21 | Patch available | CNA |
| — | craftcms/cms (Packagist) | 5.0.0-RC1 to before 5.9.21 | 5.9.21 | Patch available | GHSA-43cq-c2gq-pfpw |
- cms VendorCraft CMS Affected 5.0.0-RC1 to before 5.9.21 Fixed in 5.9.21 Patch available CNA
- craftcms/cms (Packagist) Vendor— Affected 5.0.0-RC1 to before 5.9.21 Fixed in 5.9.21 Patch available GHSA-43cq-c2gq-pfpw
Remediation
- Fix · CNA cms (craftcms) Fixed in 5.9.21
- Fix · GHSA-43cq-c2gq-pfpw craftcms/cms (Packagist) Fixed in 5.9.21 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-50280
- 2026-10-03 Alias added: GHSA-43cq-c2gq-pfpw
References
More Craft CMS vulnerabilities
- 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
Sources
- CVE-2026-50280 · CVE Program
- CVE-2026-50280 · NVD
- FIRST EPSS
- GHSA-43cq-c2gq-pfpw · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences