What is CVE-2021-43842?

CVE-2021-43842 is a medium-severity vulnerability in Requarks Wiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-20.

How severe is CVE-2021-43842?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Requarks Wiki

CVE-2021-43842

Wiki.js is a wiki app built on Node.js. Wiki.js versions 2.5.257 and earlier are vulnerable to stored cross-site scripting through a SVG file upload. By creating a crafted SVG file, a malicious Wiki.js user may stage a stored cross-site sc…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (50.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Requarks Wiki — versions < 2.5.258 (development), < 2.5.260 (production)

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/Requarks/wiki/security/advisories/GHSA-3qv4-gp35-rgh7 (x_refsource_CONFIRM)
github.com/Requarks/wiki/commit/5d3e81496fba1f0fbd64eeb855f30f69a9040718 (x_refsource_MISC)
github.com/Requarks/wiki/releases/tag/2.5.260 (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-43842?: CVE-2021-43842 is a medium-severity vulnerability in Requarks Wiki, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-20.
How severe is CVE-2021-43842?: Medium severity. CVSS v3 base score is 5.4 out of 10.