CVE-2026-19453: CWE-269 Improper Privilege Management in JetBackup
Description
The JetBackup WordPress plugin before 3.1.23.5 does not verify the role or capabilities of the account it preserves across a restore or migration before granting it administrator privileges, allowing a subscriber-level user to gain administrator access after the site owner restores or migrates the site.
CVSS v3.1
Score 7.1high
Affected software
JetBackup
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The JetBackup WordPress plugin versions before 3.1.23.5 contain an improper privilege management vulnerability (CWE-269). Specifically, when a site is restored or migrated, the plugin preserves the account role without verifying if the account should have administrator privileges. This flaw allows a subscriber-level user to escalate privileges to administrator after the restoration or migration process completes.
Potential Impact
An attacker with subscriber-level access can escalate their privileges to administrator following a site restore or migration, potentially gaining full control over the WordPress site. This can lead to unauthorized changes, data compromise, and complete site takeover.
Mitigation Recommendations
No official fix or patch is currently confirmed for this vulnerability. Users should monitor the vendor advisory for updates and apply the official patch once it becomes available. Until then, restrict subscriber-level access and avoid performing restores or migrations with untrusted accounts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-10T14:10:15.826Z
- State
- PUBLISHED
Threat ID: 6a97bd33acd9273b49d9bbb7
Added to database: 09/02/2026, 06:07:47 UTC
Last enriched: 09/07/2026, 14:05:13 UTC
Last updated: 10/18/2026, 06:48:16 UTC
Views: 81
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