CVE-2026-19454
JetBackup 3.1.18.8 - 3.1.23.3 - Admin+ Multisite Network Backup Download
- Published
- Updated
- Reserved
- Assigned by
- WPScan
Description
The JetBackup WordPress plugin before 3.1.23.5 does not perform its multisite authorisation check before serving backup archives and job logs, allowing an administrator of the network's main site who is not a Super Admin to download a full backup of the entire network, including every site's data and the shared webroot.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- https://wpscan.com/vulnerability/1f5480c1-260a-40ce-9938-112746f9e8e8/ (opens in a new tab)exploitvdb-entrytechnical-description
Timeline
ID reserved
By WPScan
- 17 days later
· 17 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium4.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Deferred | 3.1 | Medium4.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.33% · top 74% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.
Weakness
- CWE-863 Incorrect Authorization
- CWE-863 Incorrect Authorization (opens in a new tab)All about CWE-863 and its CVEs
Affected products
References (1)
- https://wpscan.com/vulnerability/1f5480c1-260a-40ce-9938-112746f9e8e8/ (opens in a new tab)exploitvdb-entrytechnical-description
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-19454)Record last updated .