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Fencer Vulns
medium 6.1

CVE-2019-18957 json

Microstrategy Library in MicroStrategy before 2019 before 11.1.3 has reflected XSS.

published 2019-11-14 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8625

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known, plus a Nuclei check

Summary

Microstrategy Library in MicroStrategy before 2019 before 11.1.3 has reflected XSS.

Patch / fix

  • microstrategy microstrategy_library 11.1.3

Exploit prediction

4.86% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template MicroStrategy Library <11.1.3 - Cross-Site Scripting nuclei detection template

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.