Path Traversal in Kevquirk Pureblog
CVE-2026-124636
A security flaw has been discovered in kevquirk PureBlog up to 3.7.2. The affected element is the function save_page of the file includes/lib/content.php of the component Page Editor. Performing a manipulation of the argument page slug results in path traversal. Remote exploitation of the attack is possible. Upgrading to version 3.7.3 is sufficient to fix this issue. The patch is named 71f5b0de2ecb2bb2934048ed40e1155c107484e3. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/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
- VDB-433066 | kevquirk PureBlog Page Editor content.php save_page path traversal (technical-description, vdb-entry)
- VDB-433066 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- CVE-2026-124636 | CVE Analysis and Report (third-party-advisory)
- Submit #1040559 | kevquirk PureBlog 3.7.2 Path Traversal (third-party-advisory)
- github.com/kevquirk/pureblog/issues/87 (issue-tracking)
- github.com/kevquirk/pureblog/commit/71f5b0de2ecb2bb2934048ed40e1155c107484e3 (patch)
- github.com/kevquirk/pureblog/releases/tag/v3.7.3 (patch)
- github.com/kevquirk/pureblog/ (product)
Frequently asked questions
- What is CVE-2026-124636?
- CVE-2026-124636 is a low-severity vulnerability in Kevquirk Pureblog, classified under Path Traversal. CVSS score: 3.8/10. Published 2026-11-09.
- How severe is CVE-2026-124636?
- Low severity. CVSS v3 base score is 3.8 out of 10.