Answer in brief
CVE-2026-19453 records a High severity (CVSS 7.1) vulnerability in JetBackup 3.1.7.9 - 3.1.23.3 - Subscriber+ Privilege Escalation via Restore Admin User Selection. The current sources do not mark it as known exploited. The current feed maps Unknown/JetBackup (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unknown/JetBackup (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/JetBackupgeneric | >=3.1.7.9 <3.1.23.5 | 3.1.23.5 |
Published upstream
Sep 2, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 2, 2026
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.
Quoted source text, attributed separately from HOL analysis.