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Low, CVSS 3.1

Concrete CMS Cross-site Scripting (XSS) in the Advanced File Search Filter

CVE-2024-3178GHSA-xwrh-qxmc-x8c8

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (concrete5/concrete5 9.2.8, 8.5.16), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
3.1 · CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L
EPSS
  • CVE-2024-3178: 0.36% estimated exploitation activity in the next 30 days; percentile 29.75 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Concrete CMS versions 9 below 9.2.8 and versions below 8.5.16 are vulnerable to Cross-site Scripting (XSS) in the Advanced File Search Filter. Prior to the fix, a rogue administrator could add malicious code in the file manager because of insufficient validation of administrator provided data. All administrators have access to the File Manager and hence could create a search filter with the malicious code attached. The Concrete CMS security team gave this vulnerability a CVSS v3.1 score of 3.1 with a vector of AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:L https://nvd.nist.gov/vuln-metrics/cvss/v3-calculator .

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-xwrh-qxmc-x8c8

Agent brief

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# Patch Next advisory brief: CVE-2024-3178

Advisory: Concrete CMS Cross-site Scripting (XSS) in the Advanced File Search Filter
IDs: CVE-2024-3178, GHSA-xwrh-qxmc-x8c8
Record: https://patchnext.com/advisories/cve-2024-3178 (revision 1, source checked 26 Oct 2026, 14:19 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 3.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: concrete5/concrete5 9.2.8, 8.5.16. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist concrete5/concrete5: affected >= 9.0.0RC1, < 9.2.8; < 8.5.16; fixed in 8.5.16, 9.2.8

## Suggested inspection (read-only)
- Packagist concrete5/concrete5: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on concrete5/concrete5.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-xwrh-qxmc-x8c8 (GitHub-reviewed advisory GHSA-xwrh-qxmc-x8c8 lists affected ranges: Packagist concrete5/concrete5 >=9.0.0RC1 =0 <8.5.16)

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