ApostropheCMS Apostrophe up to 4.31.x Page move _targetId/_position permission

Summaryinfo

A vulnerability classified as problematic has been found in ApostropheCMS Apostrophe up to 4.31.x. The affected element is the function move of the component Page Module. The manipulation of the argument _targetId/_position leads to permission. This vulnerability is uniquely identified as CVE-2026-63669. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in ApostropheCMS Apostrophe up to 4.31.x and classified as problematic. This issue affects the function move of the component Page Module. The manipulation of the argument _targetId/_position with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is integrity. The summary by CVE is:

ApostropheCMS is an open-source Node.js content management system. Prior to 4.32.0, the page module's move() operation fails to enforce the destination parent's _create permission because its oldParent archive condition disables the check for ordinary moves, allowing an authenticated editor or contributor to use _targetId and _position through the page REST update endpoint to move a controlled page into a restricted subtree and make nudgeNewPeers() updateMany re-rank protected sibling pages. This issue is fixed in version 4.32.0.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-63669 since 07/17/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 4.32.0 eliminates this vulnerability.

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Productinfo

Vendor

• ApostropheCMS

Name

• Apostrophe

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31

Website

• Product: https://github.com/apostrophecms/apostrophe/

CPE 2.3info

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CPE 2.2info

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