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Vulnerability record · CVE-2026-19453 · published 2 September 2026

CVE-2026-19453: Improper privilege management vulnerability

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.

7.1 CVSS 3.1 High EPSS 0.19% · top 91.9% CWE-269 · Improper privilege management Deferred
7.1CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
3 Sep 2026Last modified by NVD

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:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

References

LinkTags
https://wpscan.com/vulnerability/82792fbb-36b3-4a90-a7a3-ddb2573e62f2/

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Source: NIST National Vulnerability Database (record CVE-2026-19453), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.