How severe is CVE-2017-14920?

CVE-2017-14920 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-14920 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14920?

CVE-2017-14920 affects Egroupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14920?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-14920 published?

CVE-2017-14920 was published on 2017-09-30 and last updated on 2026-06-17.

CVE-2017-14920

CVE-2017-14920 is a medium-severity vulnerability in Egroupware with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Egroupware
Published: 2017-09-30
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2017-14920?: 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.
How severe is CVE-2017-14920?: CVE-2017-14920 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-14920 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14920?: CVE-2017-14920 affects Egroupware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14920?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14920 published?: CVE-2017-14920 was published on 2017-09-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:egroupware:egroupware:*:*:*:*:community:*:*:*

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