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: 0.003 (50.0th 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

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Requarks/wiki/security/advisories/GHSA-6xx4-m8gx-826r (x_refsource_CONFIRM)
github.com/Requarks/wiki/commit/5ffa189383dd716f12b56b8cae2ba0d075996cf1 (x_refsource_MISC)
github.com/Requarks/wiki/releases/tag/2.5.191 (x_refsource_MISC)

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.