vulnwire
6.1med

CVE-2018-8899

IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, w…

Published 8 y ago · modified 4 mo ago · JSON

CVSS
6.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
1.2%
percentile 69%
Public exploits
0
none known

IdentityServer IdentityServer4 1.x before 1.5.3 and 2.x before 2.1.3 does not encode the redirect URI on the authorization response page, which might lead to XSS in some configurations.

Exploit prediction (EPSS)

1.21% probability of exploitation in the next 30 days, higher than 69% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

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

References

  • github.com /IdentityServer/IdentityServer4/commit/21d0da227f50ac102de469a13bc5a15d2cc0f895 · x_refsource_MISC, x_transferred
  • github.com /IdentityServer/IdentityServer4/releases/tag/2.1.3 · x_refsource_MISC, x_transferred
  • github.com /IdentityServer/IdentityServer4/issues/2164 · x_refsource_MISC, x_transferred
  • github.com /IdentityServer/IdentityServer4/releases/tag/1.5.3 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.