# CVE-2026-124635: kevquirk PureBlog Admin Image Upload Endpoint upload-image.php unrestricted upload

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

A 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.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c107484e3
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulDB) — https://github.com/kevquirk/pureblog/releases/tag/v3.7.3

## Affected products and versions

- kevquirk / PureBlog: 3.7.0 (affected); 3.7.1 (affected); 3.7.2 (affected); 3.7.3 (unaffected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 5.1 (medium); 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; source: CNA: VulDB

- CVSS 3.1: 4.7 (medium); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C; source: CNA: VulDB

- CVSS 3.0: 4.7 (medium); 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; source: CNA: VulDB

- CVSS 2.0: 5.8 (medium); AV:N/AC:L/Au:M/C:P/I:P/A:P/E:ND/RL:OF/RC:C; source: CNA: VulDB

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-434, CWE-284

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://vuldb.com/vuln/433065 (CNA: VulDB; vdb-entry)

- https://vuldb.com/vuln/433065/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-124635 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1040557 (CNA: VulDB; third-party-advisory)

- https://github.com/kevquirk/pureblog/issues/86 (CNA: VulDB; issue-tracking)

- https://github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c107484e3 (CNA: VulDB; patch)

- https://github.com/kevquirk/pureblog/releases/tag/v3.7.3 (CNA: VulDB; patch)

- https://github.com/kevquirk/pureblog/ (CNA: VulDB; product)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-124635; retrieved 2026-11-09; source updated 2026-11-09

Revision: 978f4554661377c1a7f77262c3271696e330c741fb7d8ef7186c8d3633f4882b

Canonical: https://y2.dev/cve/CVE-2026-124635

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