kevquirk PureBlog Admin Image Upload Endpoint upload-image.php unrestricted upload

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-124635
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-09 14:17:16 UTC
Updated2026-11-09 14:17:16 UTC
DescriptionA vulnerability was identified in kevquirk PureBlog up to 3.7.2. Impacted is an unknown function of the file admin/upload-image.php of the component Admin Image Upload Endpoint. Such manipulation leads to unrestricted upload. The attack may be launched remotely. Upgrading to version 3.7.3 is recommended to address this issue. The name of the patch is 71f5b0de2ecb2bb2934048ed40e1155c107484e3. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Risk And Classification

Primary CVSS: v4.0 5.1 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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

Problem Types: CWE-284 | CWE-434 | CWE-434 Unrestricted Upload | CWE-284 Improper Access Controls

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/C...
4.0CNADECLARED5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
3.1[email protected]Primary4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
3.0CNADECLARED4.7MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
2.0[email protected]Secondary5.8AV:N/AC:L/Au:M/C:P/I:P/A:P
2.0CNADECLARED5.8AV:N/AC:L/Au:M/C:P/I:P/A:P/E:ND/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kevquirk PureBlog affected 3.7.0 Not specified
CNA Kevquirk PureBlog affected 3.7.1 Not specified
CNA Kevquirk PureBlog affected 3.7.2 Not specified
CNA Kevquirk PureBlog unaffected 3.7.3 Not specified

References

ReferenceSourceLinkTags
vuldb.com/submit/1040557 [email protected] vuldb.com
github.com/kevquirk/pureblog [email protected] github.com
github.com/kevquirk/pureblog/releases/tag/v3.7.3 [email protected] github.com
github.com/kevquirk/pureblog/issues/86 [email protected] github.com
vuldb.com/cve/CVE-2026-124635 [email protected] vuldb.com
vuldb.com/vuln/433065 [email protected] vuldb.com
github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c1074... [email protected] github.com
vuldb.com/vuln/433065/cti [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: summmm (VulDB User) (en)

CNA: VulDB CNA Team (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-11-09T00:00:00.000ZAdvisory disclosed
CNA2026-11-09T01:00:00.000ZVulDB entry created
CNA2026-11-09T09:14:37.000ZVulDB entry last update

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