Cross-site Scripting in OctoberPotential self-XSS when pasting content from malicious websites
Priority LOW 26CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.
Why it matters now
EPSS 0.00821 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed October (October CMS): 1.0.467october/backend (Packagist): 1.0.467
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 |
|---|---|---|---|---|---|
| October CMS | October | 1.0.319 to before 1.0.467 | 1.0.467 | Patch available | CNA |
| — | october/backend (Packagist) | 1.0.319 to before 1.0.467 | 1.0.467 | Patch available | GHSA-3pc2-fm7p-q2vg |
- October VendorOctober CMS Affected 1.0.319 to before 1.0.467 Fixed in 1.0.467 Patch available CNA
- october/backend (Packagist) Vendor— Affected 1.0.319 to before 1.0.467 Fixed in 1.0.467 Patch available GHSA-3pc2-fm7p-q2vg
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:* | 1.0.319 to before 1.0.467 | Vulnerable | October CMS |
- cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:* Versions 1.0.319 to before 1.0.467 Vulnerable ·October CMS
Remediation
- Fix · CNA October (October CMS) Fixed in 1.0.467
- Fix · GHSA-3pc2-fm7p-q2vg october/backend (Packagist) Fixed in 1.0.467 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-4061
- 2026-10-03 Alias added: GHSA-3pc2-fm7p-q2vg
References
Advisory 2
More October CMS October vulnerabilities
- TI-2021-12316 Account Takeover in Octobercms KEVCVSS 3.1CRITICAL 9.1
- TI-2021-12318 Arbitrary code execution in october/system CVSS 3.1HIGH 8.8
- TI-2017-14456 October CMS build 412 is vulnerable to PHP code execution in the file upload… CVSS 3.0HIGH 7.2
- TI-2023-23545 A Cross-Site Scripting (XSS) vulnerability in installation of October v.3.4.16 allows an… CVSS 3.1MEDIUM 5.4
- TI-2023-19223 An arbitrary file upload vulnerability in October CMS v3.4.4 allows attackers to execute… CVSS 3.1MEDIUM 5.4
- TI-2024-30847 October 3.6.30 allows an authenticated admin account to upload a PDF file containing… CVSS 3.1MEDIUM 4.7
Sources
- CVE-2020-4061 · CVE Program
- CVE-2020-4061 · NVD
- FIRST EPSS
- GHSA-3pc2-fm7p-q2vg · GitHub Advisory Database · CC BY 4.0
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