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Fencer Intel
medium 6.1

CVE-2019-14349 json

EspoCRM version 5.6.4 is vulnerable to stored XSS due to lack of filtration of user-supplied data in the api/v1/Document functionality for…

published 7y ago modified 4mo ago also EUVD-2019-5565

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

EspoCRM version 5.6.4 is vulnerable to stored XSS due to lack of filtration of user-supplied data in the api/v1/Document functionality for storing documents in the account tab. An attacker can upload a crafted file that contains JavaScript code in its name. This code will be executed when a user opens a page of any profile with this.

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Exploit prediction

0.87% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/espocrm/espocrm/issues/1358 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/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 Intel 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.