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CVE-2024-25637

Reflected XSS via X-October-Request-Handler Header

Published: Jun 26, 2024Updated: Sep 29, 2025 Sources: CVE List NVD GHSACWE-79
NVD MITRE
3.1CVSSLOW
EPSS Score
0.3%
Top 82.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

October is a self-hosted CMS platform based on the Laravel PHP Framework. The X-October-Request-Handler Header does not sanitize the AJAX handler name and allows unescaped HTML to be reflected back. There is no impact since this vulnerability cannot be exploited through normal browser interactions. This unescaped value is only detectable when using a proxy interception tool. This issue has been patched in version 3.5.15.

CVSS Vector Breakdown

AV:NAC:HPR:LUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

octoberoctobercms
On-premWeb App
Web & CMS Plugins / cms-core
october/systemPackagistOSS Libraries
octobercmsoss-projectWeb & CMS Pluginsaka ckeditor4, ckeditor5
packagistpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/octobercms/october/security/advisories/GHSA-rjw8-v7rr-r563
github.com
https://nvd.nist.gov/vuln/detail/CVE-2024-25637
nvd.nist.gov
https://github.com/octobercms/october
github.com

Timeline

Published
Jun 26, 2024
Last Updated
Sep 29, 2025

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