CVE-2022-27436: A cross-site scripting (XSS) vulnerability in /public/admin/index.php?add_user at Ecommerce-Website v1.1.0 all

Routine

MEDIUM 4.8DOWNGRADE

CVE-2022-27436 is a medium-severity flaw (CVSS 4.8) affecting ecommerce-website. 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 /public/admin/index.php?add_user at Ecommerce-Website v1.1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username text field.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-79
Published	2022-04-04
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ecommerce-website project

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

Am I affected?

Timeline

2022-04-04 14:15 UTCPublished CVE record published
2026-06-17 04:37 UTCUpdated Record last modified

ecommerce-website project ecommerce-website DOWNGRADE

Affected: 1.1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.0

1. Check installed version

apt-cache policy ecommerce-website || rpm -q ecommerce-website || ecommerce-website --version

2. No fixed release: DOWNGRADE to a release before 1.1.0 (Debian / Ubuntu)

apt-cache madison ecommerce-website sudo apt install ecommerce-website=<VERSION_BEFORE_1.1.0> sudo apt-mark hold ecommerce-website

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ecommerce-website sudo dnf downgrade ecommerce-website-<VERSION_BEFORE_1.1.0> sudo dnf versionlock add ecommerce-website

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-27436?

ecommerce-website: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-27436 being exploited?

CVE-2022-27436 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-2022-27436 affect?

CVE-2022-27436 affects ecommerce-website. Severity is medium (CVSS 4.8). A cross-site scripting (XSS) vulnerability in /public/admin/index.php?add_user at Ecommerce-Website v1.1.0 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the username text field.

How urgent is CVE-2022-27436?

Priority 37/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-45990 MEDIUM 6.1 DOWNGRADE A cross-site scripting (XSS) vulnerability in the component /signup_script.php of Ecommerce-Website v1.0 allow
CVE-2022-27435 HIGH 8.8 DOWNGRADE An unrestricted file upload at /public/admin/index.php?add_product of Ecommerce-Website v1.1.0 allows attacker
CVE-2022-27357 CRITICAL 9.8 DOWNGRADE Ecommerce-Website v1 was discovered to contain an arbitrary file upload vulnerability via /customer_register.p
CVE-2022-27346 HIGH 8.8 DOWNGRADE Ecommece-Website v1.1.0 was discovered to contain an arbitrary file upload vulnerability via /admin/index.php?

References

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