How severe is CVE-2018-18776?

CVE-2018-18776 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-2018-18776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18776?

CVE-2018-18776 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18776?

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

When was CVE-2018-18776 published?

CVE-2018-18776 was published on 2018-11-01 and last updated on 2026-06-17.

CVE-2018-18776

CVE-2018-18776 is a medium-severity vulnerability in Microstrategy Microstrategy Web 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% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microstrategy Microstrategy Web
Published: 2018-11-01
Last modified: 2026-06-17

Description

Microstrategy Web, version 7, does not sufficiently encode user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability via the admin/admin.asp ShowAll parameter. NOTE: this is a deprecated product.

Frequently asked questions

What is CVE-2018-18776?: Microstrategy Web, version 7, does not sufficiently encode user-controlled inputs, resulting in a Cross-Site Scripting (XSS) vulnerability via the admin/admin.asp ShowAll parameter. NOTE: this is a deprecated product.
How severe is CVE-2018-18776?: CVE-2018-18776 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-2018-18776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18776?: CVE-2018-18776 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18776?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18776 published?: CVE-2018-18776 was published on 2018-11-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:microstrategy:microstrategy_web:7:*:*:*:*:*:*:*

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