What is CVE-2020-13262?

CVE-2020-13262 is a medium-severity vulnerability in Gitlab, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2020-06-19.

How severe is CVE-2020-13262?

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

Vulnerability in Gitlab

CVE-2020-13262

Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Gitlab — versions >=12.9, <12.9.8, >=12.10, <12.10.7, 13.0.0

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

cve@gitlab.com (x_refsource_MISC, Broken Link)
cve@gitlab.com (Permissions Required, x_refsource_MISC)
cve@gitlab.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2020-13262?: CVE-2020-13262 is a medium-severity vulnerability in Gitlab, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.1/10. Published 2020-06-19.
How severe is CVE-2020-13262?: Medium severity. CVSS v3 base score is 6.1 out of 10.