Vulnerability in Imprint CMS (CVE-2021-4270)

Summary

Vulnerability in Imprint CMS (CVE-2021-4270). Risk of unauthorized operations or information disclosure.

Original description

The description as published by the source.

A vulnerability was found in Imprint CMS. It has been classified as problematic. Affected is the function SearchForm of the file ImprintCMS/Models/ViewHelpers.cs. The manipulation of the argument query leads to cross site scripting. It is possible to launch the attack remotely. The name of the patch is 6140b140ccd02b5e4e7d6ba013ac1225724487f4. It is recommended to apply a patch to fix this issue. VDB-216474 is the identifier assigned to this vulnerability.

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2021-4270 has been found in Imprint CMS.
Risk of unauthorized operations or information disclosure.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Imprint CMS CVE-2021-4270" on the vendor's site.

CVE-2021-4270 (Imprint CMS)
Attack vector: remote (network-reachable) / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (unclassified) exists in Imprint CMS.

📍 Affected scope

Check the vendor advisory for the affected versions of Imprint CMS.

🔥 Severity

Severity: ?. Risk of unauthorized operations or information disclosure.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

1
Identify exposure identify
```
Audit SBOM/dependencies for affected components.
```
資産台帳・SBOM・依存マニフェストで Imprint CMS を使っているサービスとバージョンを洗い出す。
2
Post-deployment verification verify
```
Confirm patched version is live in production
```
パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

advisory vuldb.com
patch github.com