How severe is CVE-2017-18177?

CVE-2017-18177 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-18177 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18177?

CVE-2017-18177 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18177?

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

When was CVE-2017-18177 published?

CVE-2017-18177 was published on 2018-02-12 and last updated on 2026-06-17.

CVE-2017-18177

CVE-2017-18177 is a medium-severity vulnerability in Progress Sitefinity with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Progress Sitefinity
Published: 2018-02-12
Last modified: 2026-06-17

Description

Progress Sitefinity 9.1 has XSS via the Last name, First name, and About fields on the New User Creation Page. This is fixed in 10.1.

Frequently asked questions

What is CVE-2017-18177?: Progress Sitefinity 9.1 has XSS via the Last name, First name, and About fields on the New User Creation Page. This is fixed in 10.1.
How severe is CVE-2017-18177?: CVE-2017-18177 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-18177 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18177?: CVE-2017-18177 affects Progress Sitefinity. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18177?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18177 published?: CVE-2017-18177 was published on 2018-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:progress:sitefinity:9.1:*:*:*:*:*:*:*

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