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MEDIUM severity

CVE-2020-10544 — primefaces

MEDIUMFix: primefaces/primefaces@9982c4f

CVE-2020-10544 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in org.primefaces:primefaces. A fix is available for org.primefaces:primefaces — see the affected versions and patch details below.

Cross-site Scripting in PrimeFaces

Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Oct 11, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.8%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs56th percentile — riskier than 56% of all scored CVEsHighest risk
0.00%0.44%0.89%1.33%0.3%0.8%Apr 26Aug 26Oct 26

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

How urgent is this, really

CVE-2020-10544 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 385,738 CVEs with a current EPSS score, this one falls in the < 10% band (highlighted). Counts from FIRST.org, log-scaled.

Real-World Exposure

2 pkgs affected

How broadly this vulnerability is actually deployed: weekly install volume shows current usage, and reverse-dependency count shows how many other packages break if it stays unpatched.

1other npm packages depend on this — each one inherits the vulnerability until it's patched upstream
primefacesnpm
1Kdownloads / week

Description

An XSS issue was discovered in tooltip/tooltip.js in PrimeTek PrimeFaces 7.0.11. In a web application using PrimeFaces, an attacker can provide JavaScript code in an input field whose data is later used as a tooltip title without any input validation.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.primefaces:primefacesall versions8.0org.primefaces:primefaces:8.0
📦npmprimefacesall versions8.0npm install primefaces@8.0

Affected Products

1 product · 1 configurations
Application
primefacesprimetek
1 version
7.0.11

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update org.primefaces:primefaces to 8.0 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-10544 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

An XSS issue was discovered in tooltip/tooltip.js in PrimeTek PrimeFaces 7.0.11. In a web application using PrimeFaces, an attacker can provide JavaScript code in an input field whose data is later used as a tooltip title without any input validation.
O3 Security · Impact-Aware SCA

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CVE-2020-10544: primefaces XSS — Fixed in 8.0