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Fencer Vulns
medium 5.4

CVE-2019-25028 json

Stored cross-site scripting in Grid component in Vaadin 7 and 8

published 2021-04-19 5 y ago modified 2026-06-17 4 mo ago also GHSA-q74r-4xw3-ppx9 , EUVD-2021-0858

cvss
5.4
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits
0
none known

Summary

Missing variable sanitization in Grid component in com.vaadin:vaadin-server versions 7.4.0 through 7.7.19 (Vaadin 7.4.0 through 7.7.19), and 8.0.0 through 8.8.4 (Vaadin 8.0.0 through 8.8.4) allows attacker to inject malicious JavaScript via unspecified vector

Patch / fix

  • maven com.vaadin:vaadin-bom 7.7.20, 8.8.5
  • maven com.vaadin:vaadin-server 7.7.20, 8.8.5
  • vaadin vaadin 7.7.20, 8.8.5

Exploit prediction

0.92% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
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
GitHub 3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
maven com.vaadin:vaadin-bom
>=7.4.0, <7.7.20
>=8.0.0, <8.8.5
7.7.20
8.8.5
maven com.vaadin:vaadin-server
>=7.4.0, <7.7.20
>=8.0.0, <8.8.5
7.7.20
8.8.5

Affected products

  • Vaadin Vaadin
  • Vaadin vaadin-server

Classification

Weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
  • 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.