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october/system
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October CMS: PHP Object Injection via Backend Widget Session Storage
CVE-2026-49400 · GHSA-2FF2-MX52-Q8WP
october/system
Composer
Low
Fix reported
2026-09-14
October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls
CVE-2026-46696 · GHSA-XV9M-FM3W-8W5X
october/system
Composer
Low
Fix reported
2026-09-14
October CMS stored XSS by authenticated backend user with improper configuration
CVE-2023-44383 · GHSA-RVX8-P3XP-FJ3P
october/system
Composer
Medium
Fix reported
2026-09-10
October CMS auth bypass and account takeover
CVE-2021-29487 · GHSA-H76R-VGF3-J6W5
october/system
Composer
High
Fix reported
2026-07-08
October/System authenticated file write leads to remote code execution
CVE-2021-32649 · GHSA-WV23-PFJ7-2MJJ
october/system
Composer
High
Fix reported
2026-07-08
Deleted Admin Can Sign In to Admin Interface
CVE-2021-41126 · GHSA-6GJF-7W99-J7X7
october/october
october/system
Composer
High
Fix reported
2026-07-08
october/system arbitrary code execution
CVE-2021-32650 · GHSA-5HFJ-R725-WPC4
october/system
Composer
High
Fix reported
2026-07-08
Account Takeover in Octobercms
CVE-2021-32648 · GHSA-MXR5-MC97-63RC
october/system
Composer
High
Fix reported
2026-07-08
October CMS: Editor Sub-Permission Bypass for Asset and Blueprint File Operations
CVE-2026-29179 · GHSA-JVWG-PHXX-J3RP
october/system
Composer
Low
Fix reported
2026-05-05
October CMS: Reflected XSS via DataTable Form Widget
CVE-2026-27937 · GHSA-JJ38-H5W5-MVPF
october/system
Composer
Low
Fix reported
2026-05-05
October CMS has Stored XSS in Event Log Mail Preview
CVE-2026-24907 · GHSA-J4J5-9X6G-RGXC
october/system
Composer
Medium
Fix reported
2026-05-05
October CMS has Stored XSS in Backend Editor Markup Classes
CVE-2026-24906 · GHSA-6QMH-J78V-FFP7
october/system
Composer
Medium
Fix reported
2026-05-05
October CMS has Safe Mode Bypass via CSS Preprocessor Compilers
CVE-2026-26067 · GHSA-3888-Q23F-X7QH
october/system
Composer
Medium
Fix reported
2026-05-05
October CMS Vulnerable to Stored XSS via Branding Styles
CVE-2025-61676 · GHSA-WVPQ-H33F-8RP6
october/system
Composer
Medium
Fix reported
2026-02-03
October CMS Vulnerable to Stored XSS via Editor and Branding Styles
CVE-2025-61674 · GHSA-GXXC-M74C-F48X
october/system
Composer
Medium
Fix reported
2026-02-03
October CMS Allows Unprotected SVG Rename in Media Manager
CVE-2024-51991 · GHSA-96HH-8HX5-CPW7
october/october
october/system
Composer
Low
Fix reported
2025-05-24
Use of insecure jQuery version in OctoberCMS
GHSA-V73W-R9XG-7CR9
october/october
october/system
Composer
Medium
Fix reported
2024-12-02
October System module has a Reflected XSS via X-October-Request-Handler Header
CVE-2024-25637 · GHSA-RJW8-V7RR-R563
october/system
Composer
Low
Fix reported
2024-06-26
October System module has an Open Redirect for Administrator Accounts
CVE-2024-24764 · GHSA-V2VF-JV88-3FP5
october/system
Composer
Low
Fix reported
2024-06-26
Authenticated remote code execution in October CMS
CVE-2022-21705 · GHSA-79JW-2F46-WV22
october/system
Composer
High
Fix reported
2024-02-19
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