Microweber 1.1.18 allows Unrestricted File Upload because…
Priority LOW 34CWE-434Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-434.
Summary
Microweber 1.1.18 allows Unrestricted File Upload because admin/view:modules/load_module:users#edit-user=1 does not verify that the file extension (used with the Add Image option on the Edit User screen) corresponds to an image file.
Why it matters now
EPSS 0.00455 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | microweber/microweber (Packagist) | up to 1.1.18 | — | No fix listed | GHSA-89fp-j8v7-p82h |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- microweber/microweber (Packagist) Vendor— Affected up to 1.1.18 Fixed in — No fix listed GHSA-89fp-j8v7-p82h
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microweber:microweber:1.1.18:*:*:*:*:*:*:* | 1.1.18 | Vulnerable | microweber |
- cpe:2.3:a:microweber:microweber:1.1.18:*:*:*:*:*:*:* Versions 1.1.18 Vulnerable ·microweber
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13241
- 2026-10-03 Alias added: GHSA-89fp-j8v7-p82h
References
More Microweber vulnerabilities
- TI-2023-01763 Command Injection in microweber/microweber CVSS 3.1CRITICAL 9.8
- TI-2023-02100 Improper Privilege Management in microweber/microweber CVSS 3.1HIGH 8.8
- TI-2022-14518 Microweber v1.2.15 was discovered to allow attackers to perform an account takeover via a host header injection attack. CVSS 3.1HIGH 8.8
- TI-2023-04891 Use of Hard-coded Credentials in microweber/microweber CVSS 3.1HIGH 7.5
- TI-2025-37870 Microweber CMS 2.0 has Weak Password Requirements. CVSS 3.1HIGH 8.3
- TI-2022-04247 Cross-site Scripting (XSS) - Stored in microweber/microweber CVSS 3.1MEDIUM 6.1
Sources
- CVE-2020-13241 · CVE Program
- CVE-2020-13241 · NVD
- FIRST EPSS
- GHSA-89fp-j8v7-p82h · GitHub Advisory Database · CC BY 4.0
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