What is CVE-2023-3620?

CVE-2023-3620 is a medium-severity vulnerability in Amauric Amauric/tarteaucitron.js, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-07-11.

How severe is CVE-2023-3620?

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

Is CVE-2023-3620 known to be exploited?

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

XSS in Amauric Amauric/tarteaucitron.js

CVE-2023-3620

Cross-site Scripting (XSS) - Stored in GitHub repository amauric/tarteaucitron.js prior to v1.13.1.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-07-11 · 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 (43.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% 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

Amauric Amauric/tarteaucitron.js — versions unspecified
Tarteaucitron

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

huntr.dev/bounties/a0fd0671-f051-4d41-8928-9b19819084c9 (Exploit, Patch)
github.com/amauric/tarteaucitron.js/commit/c4c2fcf2b2212ce968bdcae145bb74283c44… (Exploit, Patch)

Frequently asked questions

What is CVE-2023-3620?: CVE-2023-3620 is a medium-severity vulnerability in Amauric Amauric/tarteaucitron.js, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-07-11.
How severe is CVE-2023-3620?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2023-3620 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.