What is CVE-2021-37502?

CVE-2021-37502 is a medium-severity vulnerability in Automad, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-03.

How severe is CVE-2021-37502?

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

XSS in Automad

CVE-2021-37502

Cross Site Scripting (XSS) vulnerability in automad 1.7.5 allows remote attackers to run arbitrary code via the user name field when adding a user.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-02-03 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Automad — versions 1.7.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/marcantondahmen/automad/issues/29 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2021-37502?: CVE-2021-37502 is a medium-severity vulnerability in Automad, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-02-03.
How severe is CVE-2021-37502?: Medium severity. CVSS v3 base score is 5.4 out of 10.