What is CVE-2021-36696?

CVE-2021-36696 is a medium-severity vulnerability in Deskpro, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-07.

How severe is CVE-2021-36696?

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

XSS in Deskpro

CVE-2021-36696

Deskpro cloud and on-premise Deskpro 2021.1.6 and fixed in Deskpro 2021.1.7 contains a cross-site scripting (XSS) vulnerability in social media links on a user profile due to lack of input validation.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-09-07 · 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: 0.006 (44.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Deskpro — versions 2021.1.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.r29k.com/articles/bb/stored-xss-in-deskpro (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36696?: CVE-2021-36696 is a medium-severity vulnerability in Deskpro, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-09-07.
How severe is CVE-2021-36696?: Medium severity. CVSS v3 base score is 5.4 out of 10.