What is CVE-2017-12677?

CVE-2017-12677 is a medium-severity vulnerability in Identityserver Identityserver3, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-08.

How severe is CVE-2017-12677?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Identityserver Identityserver3

CVE-2017-12677

IdentityServer3 2.4.x, 2.5.x, and 2.6.x before 2.6.1 has XSS in an Angular expression on the authorize response page, which might allow remote attackers to obtain sensitive information about the IdentityServer authorization response.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.010 (60.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Identityserver Identityserver3 — versions 2.4.0, 2.5.0, 2.5.1
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2017-12677?: CVE-2017-12677 is a medium-severity vulnerability in Identityserver Identityserver3, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-08-08.
How severe is CVE-2017-12677?: Medium severity. CVSS v3 base score is 6.1 out of 10.