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CVE-2021-46447: A cross-site scripting (XSS) vulnerability in H.H.G Multistore v5.1.0 and below allows attackers to execute ar

35
Routine
MEDIUM 5.4UPGRADE

CVE-2021-46447 is a medium-severity flaw (CVSS 5.4) affecting multistore. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A cross-site scripting (XSS) vulnerability in H.H.G Multistore v5.1.0 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the State parameter under the Address Book module.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score5.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionRequired
EPSS exploit chance0.5% (top 54%)
CISA exploited listNo
WeaknessCWE-79
Published2022-01-28
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: hhg-multistore

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

Am I affected?

Timeline

hhg-multistore multistore UPGRADE
Affected: <= 5.1.0 · 4.10.3
Fixed in: newer than 5.1.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy multistore || rpm -q multistore || multistore --version
2. UPGRADE to newer than 5.1.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade multistore
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade multistore
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-2021-46447?

multistore: upgrade to newer than 5.1.0. Exact commands for each OS are on this page.

Is CVE-2021-46447 being exploited?

CVE-2021-46447 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-2021-46447 affect?

CVE-2021-46447 affects multistore. Severity is medium (CVSS 5.4). A cross-site scripting (XSS) vulnerability in H.H.G Multistore v5.1.0 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the State parameter under the Address Book module.

How urgent is CVE-2021-46447?

Priority 35/100. Public exploit reference

Related CVEs

References

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