CVE-2021-4270: A vulnerability was found in Imprint CMS

Q: How do I fix CVE-2021-4270?

imprint cms: upgrade to 2021-04-09. Exact commands for each OS are on this page.

Q: Is CVE-2021-4270 being exploited?

CVE-2021-4270 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-4270 affect?

CVE-2021-4270 affects imprint cms. Severity is low (CVSS 3.5). 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 p

Q: How urgent is CVE-2021-4270?

Priority 20/100. No elevated risk signals yet.

Routine

LOW 3.5UPGRADE

CVE-2021-4270 is a low-severity flaw (CVSS 3.5) affecting imprint cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 vuln

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	3.5 (Low)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-707, CWE-79
Published	2022-12-21
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: imprint cms project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-12-21 19:15 UTCPublished CVE record published
2026-06-17 04:19 UTCUpdated Record last modified

imprint cms project imprint cms UPGRADE

Affected: < 2021-04-09

Fixed in: 2021-04-09

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy imprint-cms || rpm -q imprint-cms || imprint-cms --version

2. UPGRADE to 2021-04-09 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade imprint-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade imprint-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-4270?

imprint cms: upgrade to 2021-04-09. Exact commands for each OS are on this page.

Is CVE-2021-4270 being exploited?

CVE-2021-4270 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-4270 affect?

CVE-2021-4270 affects imprint cms. Severity is low (CVSS 3.5). 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 p

How urgent is CVE-2021-4270?

Priority 20/100. No elevated risk signals yet.

References

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