What is CVE-2018-17031?

CVE-2018-17031 is a medium-severity vulnerability in Gogs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-14.

How severe is CVE-2018-17031?

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

XSS in Gogs

CVE-2018-17031

In Gogs 0.11.53, an attacker can use a crafted .eml file to trigger MIME type sniffing, which leads to XSS, as demonstrated by Internet Explorer, because an "X-Content-Type-Options: nosniff" header is not sent.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.1th 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

Gogs — versions 0.11.53
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-17031?: CVE-2018-17031 is a medium-severity vulnerability in Gogs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-14.
How severe is CVE-2018-17031?: Medium severity. CVSS v3 base score is 6.1 out of 10.