How severe is CVE-2016-8855?

CVE-2016-8855 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-2016-8855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8855?

CVE-2016-8855 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-8855?

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

When was CVE-2016-8855 published?

CVE-2016-8855 was published on 2017-03-19 and last updated on 2026-06-17.

CVE-2016-8855

CVE-2016-8855 is a medium-severity vulnerability in Sitecore Experience Platform 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: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sitecore Experience Platform
Published: 2017-03-19
Last modified: 2026-06-17

Description

Cross-Site Scripting (XSS) in "/sitecore/client/Applications/List Manager/Taskpages/Contact list" in Sitecore Experience Platform 8.1 rev. 160519 (8.1 Update-3) allows remote attacks via the Name or Description parameter. This is fixed in 8.2 Update-2.

Frequently asked questions

What is CVE-2016-8855?: Cross-Site Scripting (XSS) in "/sitecore/client/Applications/List Manager/Taskpages/Contact list" in Sitecore Experience Platform 8.1 rev. 160519 (8.1 Update-3) allows remote attacks via the Name or Description parameter. This is fixed in 8.2 Update-2.
How severe is CVE-2016-8855?: CVE-2016-8855 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-2016-8855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8855?: CVE-2016-8855 affects Sitecore Experience Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-8855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8855 published?: CVE-2016-8855 was published on 2017-03-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sitecore:experience_platform:8.1:rev._160519:*:*:*:*:*:*

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