Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows…
Priority LOW 36CWE-434Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434.
Summary
Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via 'themes' that allows attackers to Remote Code Execution. Note: Third parties dispute this and argue that advanced permissions are required.
Why it matters now
EPSS 0.02093 81st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | backdrop/backdrop (Packagist) | up to 1.22.0 | — | No fix listed | GHSA-33c9-rppf-m7fq |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- backdrop/backdrop (Packagist) Vendor— Affected up to 1.22.0 Fixed in — No fix listed GHSA-33c9-rppf-m7fq
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:backdropcms:backdrop_cms:1.22.0:*:*:*:*:*:*:* | 1.22.0 | Vulnerable | backdropcms |
- cpe:2.3:a:backdropcms:backdrop_cms:1.22.0:*:*:*:*:*:*:* Versions 1.22.0 Vulnerable ·backdropcms
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-42092
- 2026-10-03 Alias added: GHSA-33c9-rppf-m7fq
References
More backdropcms Backdrop Cms vulnerabilities
- TI-2025-39465 Host Header Injection vulnerability in Backdrop CMS 1.32.1 allows attackers to manipulate… CVSS 3.1MEDIUM 6.1
- TI-2023-14781 A stored Cross-site scripting (XSS) issue in Text Editors and Formats in Backdrop CMS… CVSS 3.1MEDIUM 4.8
- TI-2022-20386 Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS)… CVSS 3.1MEDIUM 4.8
- TI-2022-20385 Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS)… CVSS 3.1MEDIUM 4.8
- TI-2025-18731 Cross-site scripting in backdropcms backdrop CVSS 3.1MEDIUM 4.4
- TI-2019-10981 Backdrop CMS 1.12.x before 1.12.8 and 1.13.x before 1.13.3 allows the upload of… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2022-42092 · CVE Program
- CVE-2022-42092 · NVD
- FIRST EPSS
- GHSA-33c9-rppf-m7fq · 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