CVE-2026-109327 Details
Description
Admidio 4.0.12 through 4.3.17 and 5.0.0 before 5.0.15 contains a reflected cross-site scripting vulnerability in system/redirect.php that allows unauthenticated attackers to inject JavaScript via the url GET parameter, due to an incomplete fix for CVE-2021-43810. Attackers can craft a javascript: URL containing a decoy http:// segment that passes validation and executes script in the Admidio origin when victims click the redirect link.
A reflected cross-site scripting vulnerability has been identified in Admidio versions 4.0.12 through 4.3.17 and 5.0.0 prior to 5.0.15. The issue resides in the 'system/redirect.php' file, where unauthenticated attackers can inject JavaScript via the 'url' GET parameter. This vulnerability arises from an incomplete fix for CVE-2021-43810, allowing attackers to craft a 'javascript:' URL that bypasses validation and executes scripts in the Admidio context when victims click the redirect link.
Users are advised to update to Admidio version 5.0.15 or later, where this vulnerability has been patched.
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 Oct 12, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Admidio/admidio/security/advisories/GHSA-vxfg-x6vc-7w3w | CISA-ADP | AdvisoryExploitTechnical AnalysisVendor |
| https://github.com/Admidio/admidio/security/advisories/GHSA-vxfg-x6vc-7w3w | [email protected] | AdvisoryExploitTechnical AnalysisVendor |
| https://www.vulncheck.com/advisories/admidio-4.0.12-through-4.3.17-and-5.0.0-before-5.0.15-reflected-xss-via-system-redirect-php | [email protected] | AdvisoryVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Admidio | >= 4.0.12, <= 4.3.17 (semver) >= 5.0.0, < 5.0.15 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 15, 2026 | CVE Modified | CISA-ADP |
| Oct 12, 2026 | New CVE Received | [email protected] |