CVE-2022-42092
Backdrop CMS Unrestricted File Upload vulnerability
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2022-42092- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2022-42092- Updated
- 2026-11-02
EUVDEUVD-2022-6998 No score
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.
- Record
EUVD-2022-6998- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-33c9-rppf-m7fq
Backdrop CMS Unrestricted File Upload vulnerability
Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via themes that allows attackers to achieve Remote Code Execution.
- Record
GHSA-33c9-rppf-m7fq- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSVGHSA-33c9-rppf-m7fq
Backdrop CMS Unrestricted File Upload vulnerability
Backdrop CMS 1.22.0 has Unrestricted File Upload vulnerability via themes that allows attackers to achieve Remote Code Execution.
- Record
GHSA-33c9-rppf-m7fq- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-434
- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2022-42092- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
backdrop/backdropPackagist |
through 1.22.0 | None known |
backdrop/backdropPackagist |
through 1.22.0, plus listed versions 1.13.2-rc11.13.2-rc21.17.31.18.31.19.1 Show 5 moreShow less1.20.31.21.01.21.11.21.31.21.4 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | ajdumanhug/CVE-2022-42092 | 2025-04-27 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-42092 is a high vulnerability (CVSS 7.2) in Backdropcms Backdrop Cms, published October 7, 2022. Its validity is disputed. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.09%, the 81st percentile.