Arbitrary file upload in Kevquirk Pureblog
CVE-2026-124635
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Kevquirk Pureblog — versions 3.7.0, 3.7.1, 3.7.2
Weakness classification (CWE)
References
- github.com/kevquirk/pureblog/ (product)
- github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c107484e3 (patch)
- github.com/kevquirk/pureblog/issues/86 (issue-tracking)
- github.com/kevquirk/pureblog/releases/tag/v3.7.3 (patch)
- vuldb.com/cve/CVE-2026-124635 (third-party-advisory)
- vuldb.com/submit/1040557 (third-party-advisory)
- vuldb.com/vuln/433065 (vdb-entry)
- vuldb.com/vuln/433065/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-124635?
- CVE-2026-124635 is a medium-severity vulnerability in Kevquirk Pureblog, classified under Improper Access Control. CVSS score: 4.7/10. Published 2026-11-09.
- How severe is CVE-2026-124635?
- Medium severity. CVSS v3 base score is 4.7 out of 10.