CVE-2021-21610

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query…

published January 13, 2021

CVSS
—
EPSS
1%
Percentile
67.9
In the wild
Unconfirmed
What it is

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01199 · 67.9th percentile
Published
2021-01-13T15:55Z
EPSS history
Timeline
  • 13 JAN 15:55Z
    Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query…
    cvelistv5