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CVE Record

CVE-2023-54346: WordPress Plugin Backup Migration 1.2.8 Unauthenticated Database Backup Download

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.

HighCVSS 8.7Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Backup Migration for WordPress version 1.2.8 can expose complete database backup archives to unauthenticated visitors through predictable web paths. If backups exist and are web-accessible, an attacker could download site database contents without logging in.

Executive priority

Treat this as urgent for any internet-facing WordPress site using Backup Migration 1.2.8. A successful attack could disclose full database backups without credentials, creating confidentiality and regulatory exposure.

Technical view

CVE-2023-54346 is a CWE-538 information disclosure issue in Backupbliss Backup Migration 1.2.8. The source bundle describes predictable backup paths, directory enumeration through configuration files and logs, and direct retrieval of database backup archives. CVSS 4.0 score is 8.7 high.

Likely exposure

Likely exposure is WordPress sites running Backup Migration 1.2.8 with database backups present under web-accessible plugin paths. The bundle does not establish impact for other versions or confirm whether default installations always expose backup archives.

Exploitation context

The bundle includes an ExploitDB reference and a VulnCheck advisory, so public exploit information exists. CISA KEV status is false in the provided data, and the bundle does not cite confirmed active exploitation.

Researcher notes

Evidence is strong for the named version and vulnerability class, but limited to the supplied bundle. Do not extrapolate affected versions, default exposure, patch availability, or active exploitation without vendor or additional advisory confirmation.

Mitigation direction

  • Check Backupbliss and WordPress plugin guidance for a fixed version or mitigation.
  • Remove public web access to backup archives, logs, and configuration artifacts.
  • Delete unnecessary database backup archives from web-accessible locations.
  • Upgrade or disable Backup Migration 1.2.8 if vendor guidance recommends it.
  • Review access logs for unauthenticated backup archive downloads.

Validation and detection

  • Inventory WordPress sites for Backup Migration plugin version 1.2.8.
  • Confirm whether database backup archives exist under web-accessible plugin paths.
  • Verify unauthenticated users cannot retrieve backup archives, logs, or configuration files.
  • Check web logs for suspicious requests to backup directories or archive files.
  • Document affected sites, backup locations, and remediation status.
Prepared
Confidence
high
Sources
6

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-538: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Database behavior lookup

The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-54346 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
8.7 (4.0)
Known Exploited
No
Published

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

2CVSS vectors
3Timeline events
1ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: pocAutomatable: yesTechnical Impact: partial

CVSS vector scores

2 official scores

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
8.7CVSS 4.0HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:NVulnCheck
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6VulnCheck

Vulnerability scoring details

Base CVSS 4.0 score

8.7High
CVSS 4.0 vector shape for CVE-2023-54346Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
BackupblissWordPress Plugin Backup Migration1.2.8Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.