Answer in brief
CVE-2026-104307 records a Unknown severity vulnerability in BackUpWordPress < 3.15 - Subscriber+ Backup Directory File Deletion via hmbkp_dismiss_error. The current sources do not mark it as known exploited. The current feed maps Unknown/BackUpWordPress (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. 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/BackUpWordPress (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/BackUpWordPressgeneric | >=0 <3.15 | 3.15 |
Published upstream
Nov 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Nov 8, 2026
The BackUpWordPress plugin before 3.15 does not perform a capability or nonce check on an AJAX action that cleans up its backup directory, allowing any authenticated user (Subscriber and above) to delete the BackUpWordPress plugin before 3.15's backup protection and working files, removing download protection from stored backups and disrupting in-progress backups.
Quoted source text, attributed separately from HOL analysis.