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CVE-2026-54622— django CMS: Clipboard copy IDOR discloses unauthorized plugin content

Quick assessment

Affected
django-cms django-cms
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

django CMS 是一个基于 Django 构建的、易于使用且对开发者友好的企业内容管理系统。在 5.0.8 版本之前，cms/admin/placeholderadmin.py 中的 copy_plugins 端点仅对目标剪贴板进行了授权校验。_copy_plugin_to_clipboard 和 _copy_placeholder_to_clipboard 接口虽然接受了 source_placeholder_id 和 source_plugin_id 参数，但在使用 has_copy_plugins_pe

CVSS 6.5 · Medium EPSS 0.24% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
django-cms django-cms < 5.0.8 affected
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I. Basic Information for CVE-2026-54622

Vulnerability Information
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Vulnerability Title
django CMS: Clipboard copy IDOR discloses unauthorized plugin content
Source: CVE Program / CVE List V5
Vulnerability Description
django CMS is an easy-to-use and developer-friendly enterprise content management system powered by Django. Prior to 5.0.8, the copy_plugins endpoint in cms/admin/placeholderadmin.py authorizes only the destination clipboard. The _copy_plugin_to_clipboard and _copy_placeholder_to_clipboard paths accept source_placeholder_id and source_plugin_id values but use has_copy_plugins_permission and check_source only for the requesting user’s clipboard, without validating the source placeholder. Under CMS_PERMISSION, a staff user with the global add permission for a plugin type can copy plugins from an unauthorized page or placeholder into the user’s clipboard and read secret text, link names, and URLs. This issue is fixed in versions 5.0.8.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
django-cms django-cms < 5.0.8 -

II. Public POCs for CVE-2026-54622

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III. Intelligence Information for CVE-2026-54622

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Patches & Fixes for CVE-2026-54622 (2)

Vendor Advisories for CVE-2026-54622 (1)

Same Patch Batch · django-cms · 2026-08-20 · 7 CVEs total

CVE-2026-54623 7.1 HIGH django CMS: Plugin move endpoint allows cyclic reparenting (DoS)
CVE-2026-54624 6.5 MEDIUM django CMS: Structure endpoint bypasses page-view permission
CVE-2026-63003 6.5 MEDIUM django CMS: Broken access control in page *Duplicate* allows reading the content of any pa
CVE-2026-54625 4.8 MEDIUM django CMS: Page cache ignores plugin-declared Vary headers (disclosure & poisoning)
CVE-2026-75526 4.4 MEDIUM django CMS: Stored XSS in edit-mode plugin exception rendering
CVE-2026-61663 4.3 MEDIUM django CMS: Missing authorization in `render_object_structure` discloses non-PageContent p

IV. Related Vulnerabilities

Same product: django-cms
Same vendor: django-cms
Same weakness: CWE-639

V. Comments for CVE-2026-54622

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