How severe is CVE-2017-14920?

CVE-2017-14920 has a CVSS score of 6.1/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2017-14920?

CVE-2017-14920 affects the following packages: egroupware/egroupware (Packagist). Ecosystems affected: Packagist.

How do I fix CVE-2017-14920?

Update egroupware/egroupware to 16.1.20170922 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2017-14920 is resolved across your whole dependency graph.

How do I detect CVE-2017-14920 in my Packagist dependencies?

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

How do I mitigate CVE-2017-14920 if there is no patch (or I can't update yet)?

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.

Is CVE-2017-14920 actively exploited in the wild?

No public exploit code has been indexed for CVE-2017-14920 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2017-14920?

CVE-2017-14920 has an EPSS (Exploit Prediction Scoring System) score of 1.1%, placing it in the 66th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2017-14920?

CVE-2017-14920 is classified as Cross-site Scripting (XSS) (CWE-79). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation. This is a high-impact weakness class that often enables remote code execution or data exposure.

When was CVE-2017-14920 published, and has it been updated?

CVE-2017-14920 was published on September 30, 2017 and was last updated on October 20, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

🐘

🐘 Packagist

Not in CISA KEV

MEDIUM severity

CVE-2017-14920 — egroupware

MEDIUMFix: EGroupware/egroupware@0ececf8

CVE-2017-14920 is a medium-severity (CVSS 6.1) Cross-site Scripting (XSS) vulnerability in egroupware/egroupware. A fix is available for egroupware/egroupware — see the affected versions and patch details below.

eGroupware Community Edition Stored XSS vulnerability

Also known asGHSA-qfg7-wc25-r3j2

Published

Sep 30, 2017

Updated

Oct 20, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

1.1%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs66th percentile — riskier than 66% of all scored CVEsHighest risk

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

🐘egroupware/egroupware

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 XSS vulnerability in eGroupware Community Edition before 16.1.20170922 allows an unauthenticated remote attacker to inject JavaScript via the User-Agent HTTP header, which is mishandled during rendering by the application administrator.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
🐘Packagist	`egroupware/egroupware`	all versions	16.1.20170922`composer require egroupware/egroupware:^16.1.20170922`

Affected Products

1 product · 1 configurations

Application

egroupwareegroupware

≤ 16.1.20170703

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for egroupware/egroupware, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update egroupware/egroupware to 16.1.20170922 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2017-14920 is resolved across your whole dependency graph.
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

O3 Security · Impact-Aware SCA

Is CVE-2017-14920 in your dependencies?

Find it across Packagist, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.1/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Raw vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CWE Classification

CWE-79Cross-site Scripting (XSS)

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Sep 30, 2017

Last updated

Oct 20, 2026

Identifiers

CVE-2017-14920

GHSA-qfg7-wc25-r3j2

References

Advisorynvd.nist.gov · CVE 2017 14920 Fixopenwall.com Fixgithub.com · 0ececf8c78f1c3f9ba15465f53a682dd7d89529f Packagegithub.com · egroupware

Related vulnerabilities

Also affects egroupware/egroupware

This CVE is medium severity; 6 of 6 other CVEs affecting egroupware/egroupware are rated as high or higher (top: critical).

CVE-2026-40187CVE-2026-45016CVE-2026-27823CVE-2026-22243CVE-2024-40614CVE-2010-3313

Same weakness: CWE-79

This CVE is medium severity; 2 of 2 other CVEs with CWE-79 are rated as high or higher (top: critical).

CVE-2026-113787CVE-2026-44267Browse all CWE-79

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 20, 2026