What is CVE-2021-42220?

CVE-2021-42220 is a medium-severity vulnerability in Dolibarr, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-15.

How severe is CVE-2021-42220?

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

Is CVE-2021-42220 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Dolibarr

CVE-2021-42220

A Cross Site Scripting (XSS) vulnerability exists in Dolibarr before 14.0.3 via the ticket creation flow. Exploitation requires that an admin copies the payload into a box.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (57.6th 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

Dolibarr
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2021-42220?: CVE-2021-42220 is a medium-severity vulnerability in Dolibarr, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-12-15.
How severe is CVE-2021-42220?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-42220 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.