CVE-2022-42092 json
Backdrop CMS Unrestricted File Upload vulnerability
published 2022-10-07 4 y ago modified 2026-06-17 4 mo ago also GHSA-33c9-rppf-m7fq , EUVD-2022-6998
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.1%
- EPSS 2.1% chance of exploitation in 30 days, percentile 81%
- public exploits
- 0
- none known
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.
Exploit prediction
2.09% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- grimthereaperteam.medium.com https://grimthereaperteam.medium.com/backdrop-cms-1-22-0-unrestricted-file-upload-themes-ad42a599561c referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | backdrop/backdrop | <=1.22.0 |
no fix listed |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
grimthereaperteam.medium.com
/backdrop-cms-1-22-0-unrestricted-file-upload-themes-ad42a599561c
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2022-42092
advisory
-
github.com
/backdrop-ops/backdrop-composer
package
Sources
- CVE List CVE-2022-42092
- GitHub Advisory GHSA-33c9-rppf-m7fq
- NVD CVE-2022-42092
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