CVE-2023-54346: WordPress Plugin Backup Migration 1.2.8 Unauthenticated Database Backup Download
Vulnerability summary
CVE-2023-54346 is a high (CVSS 8.7) vulnerability in backupbliss wordpress plugin backup migration. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 05-05-2026PublishedVulnerability first disclosed.
- 15-07-2026Last modifiedVulnerability information updated.
Description
WordPress Plugin Backup Migration 1.2.8 contains an information disclosure vulnerability that allows unauthenticated attackers to download complete database backups by accessing predictable file paths. Attackers can enumerate backup directories through configuration files and complete logs, then construct direct download URLs to retrieve sensitive backup archives containing full database dumps.
CVSS metrics
5 scores · 3 sources · 2 versions- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- wordfenceSource7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.31%
Chance of exploitation in the next 30 days
Percentile
23%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.31% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundWordPress Plugin Backup Migration 1.2.8 - Unauthenticated Database Backup
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Backupbliss1 product
Wordpress1 product
- backup-backup≤ 1.2.8 (fixed in 1.2.9)
2 vendors · 2 products
References
5 links- backupbliss.comProduct
- www.vulncheck.com/advisories/…Third Party Advisory