CVE-2026-19453

JetBackup 3.1.7.9 - 3.1.23.3 - Subscriber+ Privilege Escalation via Restore Admin User Selection

HIGH
7.1
CVSS Score
Published: September 2, 2026 at 06:00 AM UTC
Updated: September 3, 2026 at 06:04 PM UTC
1 product affected across 1 vendorJetbackup

Using JetBackup by Unknown?

Get instant alerts when new vulnerabilities affect JetBackup - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.1
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jetbackup· Jetbackupwordpress-plugin
60%
3.1.7.9 ≤ v < 3.1.23.53.1.7.9
Affected range stops below 3.1.23.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical Description
Source: cverecord
https://wpscan.com/vulnerability/82792fbb-36b3-4a90-a7a3-ddb2573e62f2/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-269

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card