CVE-2020-28456: The package s-cart/core before 4.4 are vulnerable to Cross-site Scripting (XSS) via the admin panel.

Q: How do I fix CVE-2020-28456?

s-cart: upgrade to 4.4. Exact commands for each OS are on this page.

Q: Is CVE-2020-28456 being exploited?

CVE-2020-28456 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-2020-28456 affect?

CVE-2020-28456 affects s-cart. Severity is high (CVSS 7.3). The package s-cart/core before 4.4 are vulnerable to Cross-site Scripting (XSS) via the admin panel.

Q: How urgent is CVE-2020-28456?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.3REMOTEUPGRADE

CVE-2020-28456 is a high-severity flaw (CVSS 7.3) affecting s-cart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The package s-cart/core before 4.4 are vulnerable to Cross-site Scripting (XSS) via the admin panel.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-15
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: s-cart

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

Am I affected?

Timeline

2020-12-15 16:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

s-cart s-cart UPGRADE

Affected: < 4.4

Fixed in: 4.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy s-cart || rpm -q s-cart || s-cart --version

2. UPGRADE to 4.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade s-cart

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade s-cart

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-2020-28456?

s-cart: upgrade to 4.4. Exact commands for each OS are on this page.

Is CVE-2020-28456 being exploited?

CVE-2020-28456 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-2020-28456 affect?

CVE-2020-28456 affects s-cart. Severity is high (CVSS 7.3). The package s-cart/core before 4.4 are vulnerable to Cross-site Scripting (XSS) via the admin panel.

How urgent is CVE-2020-28456?

Priority 52/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-21149 MEDIUM 5.4 UPGRADE The package s-cart/s-cart before 6.9; the package s-cart/core before 6.9 are vulnerable to Cross-site Scriptin
CVE-2021-44111 MEDIUM 4.4 UPGRADE A Directory Traversal vulnerability exists in S-Cart 6.7 via download in sc-admin/backup.
CVE-2021-38847 HIGH 8.8 UPGRADE S-Cart v6.4.1 and below was discovered to contain an arbitrary file upload vulnerability in the Editor module
CVE-2020-28457 HIGH 7.2 UPGRADE This affects the package s-cart/core before 4.4

References

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