CVE-2019-12453: In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input v

Q: How do I fix CVE-2019-12453?

microstrategy web: upgrade to newer than 10.1. Exact commands for each OS are on this page.

Q: Is CVE-2019-12453 being exploited?

CVE-2019-12453 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-12453 affect?

CVE-2019-12453 affects microstrategy web. Severity is medium (CVSS 6.1). In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input validation.

Q: How urgent is CVE-2019-12453?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2019-12453 is a medium-severity flaw (CVSS 6.1) affecting microstrategy web. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-07-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: microstrategy

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-07-19 17:15 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

microstrategy microstrategy web UPGRADE

Affected: <= 10.1

Fixed in: newer than 10.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy microstrategy-web || rpm -q microstrategy-web || microstrategy-web --version

2. UPGRADE to newer than 10.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade microstrategy-web

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade microstrategy-web

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-12453?

microstrategy web: upgrade to newer than 10.1. Exact commands for each OS are on this page.

Is CVE-2019-12453 being exploited?

CVE-2019-12453 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-12453 affect?

CVE-2019-12453 affects microstrategy web. Severity is medium (CVSS 6.1). In MicroStrategy Web before 10.1 patch 10, stored XSS is possible in the FLTB parameter due to missing input validation.

How urgent is CVE-2019-12453?

Priority 37/100. No elevated risk signals yet.

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References

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