CVE-2020-5297

mediumpriority · track · 11EPSS 0.012 · 67 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.18% (67th) EPSS

CVSS 4 · medium

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-22

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).

cvss

Technical severity, 0–10. One row per scoring source.

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 2.5–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.12.7lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:Nprimary · NVD / NIST USexploitability 1.2 · impact 1.4

v3.13.4lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:Nsecondary · ENISA EU

v3.13.4lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:Nsecondary · security-advisories@github.comexploitability 1.7 · impact 1.4

v3.13.4lowCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:Nsecondary · OSV

v3.12.5lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-610USprimaryCWE-610USCWE-73USCWE-73US

affected products (3)

Products and version ranges known to be affected.

octobercms October1.0.319, → 1.0.466enisa_euvdEU
octobercms october1.0.319 → 1.0.466nvdUScpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*
Packagist october/cms1.0.319 → 1.0.466osvUSpkg:composer/october/cms

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-9722-rr68-rfpgUpload whitelisted files to any directory in OctoberCMS2020-06-03ghsa · osvUS
### Impact 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. ### Patches Issue has been patched in Build 466 (v1.0.466). ### Workarounds Apply https://github.com/octobercms/october/commit/6711dae8ef70caf0e94cec434498012a2ccd86b8 to your installation manually if unable to upgrade to Build 466. ### References Reported by [Sivanesh Ashok](https://stazot.com/) ### For more information If you have any questions or comments about this advisory: * Email us at [hello@octobercms.com](mailto:hello@octobercms.com) ### Threat assessment: <img width="1241" alt="Screen Shot 2020-03-31 at 12 21 10 PM" src="https://user-images.githubusercontent.com/7253840/78061230-255f5400-734a-11ea-92b4-1120f6960505.png">

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-06-03modified 2026-06-17

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references (14)

External citations — patches, advisories, analysis.

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