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CVE-2026-54623— django CMS: Plugin move endpoint allows cyclic reparenting (DoS)

Quick assessment

Affected
django-cms django-cms
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

django CMS 是一个易于使用且对开发者友好的企业级内容管理系统，基于 Django 框架构建。在版本 5.0.8 之前， 中的 端点在接受攻击者可控的 参数时，未对插件自身的标识符或其子代标识符进行拒绝。在启用 的情况下，具有插件更改权限的工作人员用户可以创建一个插件树中的 循环。 中的 和 查询缺乏循环检测机制，导致 及其后续的渲染、复制或删除操作可能无限递归或达到数据库的递归限制，从而破坏树结构并消耗请求处理资源。此问题已在版本 5.0.8 中得到修复。

CVSS 7.1 · High EPSS 0.34% · P28

Affected Version Matrix 1

VendorProduct Version RangeStatus
django-cms django-cms < 5.0.8 affected
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I. Basic Information for CVE-2026-54623

Vulnerability Information
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Vulnerability Title
django CMS: Plugin move endpoint allows cyclic reparenting (DoS)
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 move_plugin endpoint in cms/admin/placeholderadmin.py accepts an attacker-controlled plugin_parent value without rejecting a plugin’s own identifier or a descendant identifier. A staff user with plugin-change permission under CMS_PERMISSION can create a parent_id cycle in the plugin tree. The _get_descendants_cte and _get_ancestors_cte queries in cms/models/pluginmodel.py have no cycle guard, so get_descendants() and later rendering, copy, or delete operations can recurse indefinitely or reach a database recursion limit, corrupting the tree and consuming request workers. 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:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
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-2026-54623

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 10959 chars
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III. Intelligence Information for CVE-2026-54623

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Patches & Fixes for CVE-2026-54623 (2)

Vendor Advisories for CVE-2026-54623 (1)

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

CVE-2026-54622 6.5 MEDIUM django CMS: Clipboard copy IDOR discloses unauthorized plugin content
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-674

V. Comments for CVE-2026-54623

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