CVE-2020-5297 json
Upload whitelisted files to any directory in OctoberCMS
published 2020-06-03 6 y ago modified 2026-07-08 4 mo ago also GHSA-9722-rr68-rfpg , EUVD-2020-0474
- cvss
- 3.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to upload jpg, jpeg, bmp, png, webp, gif, ico, css, js, woff, woff2, svg, ttf, eot, json, md, less, sass, scss, xml files to any directory of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the `cms.manage_assets` permission. Issue has been patched in Build 466 (v1.0.466).
Patch / fix
- packagist october/cms 1.0.466
- octobercms october 1.0.466
Exploit prediction
1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- packetstormsecurity.com http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html referenced PoC, tagged "exploit" by a source, unverified
- seclists.org http://seclists.org/fulldisclosure/2020/Aug/2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.4 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N |
| NVD | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 3.4 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | october/cms | >=1.0.319, <1.0.466 |
1.0.466 |
Affected products
- octobercms october
Classification
References
-
github.com
/octobercms/october/commit/6711dae8ef70caf0e94cec434498012a2ccd86b8
web, patch, third-party-advisory
-
github.com
/octobercms/october/security/advisories/GHSA-9722-rr68-rfpg
web, patch, third-party-advisory
-
packetstormsecurity.com
/files/158730/October-CMS-Build-465-XSS-File-Read-File-Deletion-CSV-Injection.html
web, exploit, third-party-advisory, vdb-entry
-
seclists.org
/fulldisclosure/2020/Aug/2
mailing-list, web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-5297
advisory
Sources
- CVE List CVE-2020-5297
- GitHub Advisory GHSA-9722-rr68-rfpg
- NVD CVE-2020-5297
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.