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Fencer Vulns
medium 6.1

CVE-2020-14164 json

The WYSIWYG editor resource in Jira Server and Data Center before version 8.8.2 allows remote attackers to inject arbitrary HTML or JavaScr…

published 2020-07-01 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-6321

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

The WYSIWYG editor resource in Jira Server and Data Center before version 8.8.2 allows remote attackers to inject arbitrary HTML or JavaScript names via an Cross Site Scripting (XSS) vulnerability by pasting javascript code into the editor field.

Patch / fix

  • Atlassian Jira Server and Data Center 8.8.2

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Affected products

  • Atlassian Jira Server and Data Center

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.