How severe is CVE-2019-12453?

CVE-2019-12453 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-2019-12453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12453?

CVE-2019-12453 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12453?

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

When was CVE-2019-12453 published?

CVE-2019-12453 was published on 2019-07-19 and last updated on 2026-06-17.

CVE-2019-12453

CVE-2019-12453 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: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Microstrategy Microstrategy Web
Published: 2019-07-19
Last modified: 2026-06-17

Description

In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input validation.

Frequently asked questions

What is CVE-2019-12453?: In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input validation.
How severe is CVE-2019-12453?: CVE-2019-12453 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-2019-12453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12453?: CVE-2019-12453 affects Microstrategy Microstrategy Web. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12453 published?: CVE-2019-12453 was published on 2019-07-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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