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MEDIUM severity

CVE-2022-41994 — basercms

MEDIUM

CVE-2022-41994 is a medium-severity (CVSS 4.8) Cross-site Scripting (XSS) vulnerability in baserproject/basercms. A fix is available for baserproject/basercms — see the affected versions and patch details below.

baserCMS vulnerable to stored Cross-site Scripting

Also known asGHSA-vxwf-79ch-f7f7
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2022-41994.

EPSS Exploitation Probability

via FIRST.org ↗
0.6%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs50th percentile — riskier than 50% of all scored CVEsHighest risk
0.00%0.38%0.75%1.13%0.1%0.6%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘baserproject/basercms

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Stored cross-site scripting vulnerability in Permission Settings of baserCMS versions prior to 4.7.2 allows a remote authenticated attacker with an administrative privilege to inject an arbitrary script.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistbaserproject/basercmsall versions4.7.2composer require baserproject/basercms:^4.7.2

Affected Products

1 product · 1 configurations
Application
basercmsbasercms
< 4.7.2
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for baserproject/basercms, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update baserproject/basercms to 4.7.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-41994 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Stored cross-site scripting vulnerability in Permission Settings of baserCMS versions prior to 4.7.2 allows a remote authenticated attacker with an administrative privilege to inject an arbitrary script.
O3 Security · Impact-Aware SCA

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CVE-2022-41994: basercms XSS — Fixed in 4.7.2