Cross-site Scripting in October
Impact
Pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack.
Patches
Issue has been patched in Build 467 (v1.0.467).
Workarounds
Apply https://github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5 to your installation manually if unable to upgrade to Build 467.
References
For more information
If you have any questions or comments about this advisory:
- Email us at hello@octobercms.com
Threat Assessment
Assessed as Low given that by the nature of the attack it can only impact users that do it to themselves by copying and pasting from malicious websites.
Acknowledgements
Thanks to Michał Bentkowski of Securitum for finding the original issue in Froala and @tomaszstrojny for reporting the issue to the October CMS team.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | october/backend | >= 1.0.319, < 1.0.467 | 1.0.467 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Composer
- Package
october/backend- Disclosed
- 02.07.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3pc2-fm7p-q2vg - CC BY 4.0
Vulnerability history: october/backend
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 7
- First → latest
- 06.2020 03.2021
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
- Low 5
Disclosures per year
- 2020: 6
- 2021: 1
- 2022: 0
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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Cross-site Scripting in October this entry
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