CVE-2026-12198 Details
Description
A weakness has been identified in Microweber up to 2.0.20. This affects the function userfiles_path of the file /api_nosession/thumbnail_img of the component API Endpoint. Executing a manipulation of the argument cache_path_relative can lead to path traversal. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
A path traversal vulnerability has been identified in Microweber versions through 2.0.20. The issue resides in the API endpoint '/api_nosession/thumbnail_img', specifically within the 'userfiles_path' function. The vulnerability arises because the 'cache_path_relative' parameter is not properly sanitized, allowing for traversal sequences to escape the intended directory. This flaw can be exploited remotely, leading to unauthorized access to arbitrary files and the potential for writing files to attacker-controlled locations, particularly when local SVG files are used as a source.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/microweber/microweber/ | [email protected] | ProductSource CodeVendor |
| https://github.com/microweber/microweber/issues/1172 | [email protected] | Issue TrackingTechnical DescriptionVendor |
| https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.md | [email protected] | ExploitTechnical Analysis |
| https://vuldb.com/cve/CVE-2026-12198 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/829596 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/370841 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/370841/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Microweber | 2.0.20 (semver) |
CPE
Remediation
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Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 24, 2026 | CVE Translated | [email protected] |
| Jul 23, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |