What is CVE-2021-21383?

CVE-2021-21383 is a high-severity vulnerability in Requarks Wiki, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-03-18.

How severe is CVE-2021-21383?

High severity. CVSS v3 base score is 7.6 out of 10.

XSS in Requarks Wiki

CVE-2021-21383

Wiki.js an open-source wiki app built on Node.js. Wiki.js before version 2.5.191 is vulnerable to stored cross-site scripting through mustache expressions in code blocks. This vulnerability exists due to mustache expressions being parsed b…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:H/A:N.

Affected products

Requarks Wiki — versions < 2.5.191
Requarks Wiki.js

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Patch, Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory, x_refsource_MISC)
security-advisories@github.com (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2021-21383?: CVE-2021-21383 is a high-severity vulnerability in Requarks Wiki, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2021-03-18.
How severe is CVE-2021-21383?: High severity. CVSS v3 base score is 7.6 out of 10.