CVE-2021-45903

Name: CVE-2021-45903
Creator: NVD / NIST
Published: 2021-12-28T14:15:07.597+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2021-45903 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A persistent cross-site scripting (XSS) issue in the web interface of SuiteCRM before 7.10.35, and 7.11.x and 7.12.x before 7.12.2, allows a remote attacker to introduce arbitrary JavaScript via attachments upload, a different vulnerability than CVE-2021-39267 and CVE-2021-39268.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

A persistent cross-site scripting (XSS) issue in the web interface of SuiteCRM before 7.10.35, and 7.11.x and 7.12.x before 7.12.2, allows a remote attacker to introduce arbitrary JavaScript via attachments upload, a different vulnerability than CVE-2021-39267 and CVE-2021-39268.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Salesagility	Suitecrm	< 7.10.35
Salesagility	Suitecrm	>= 7.11.0, < 7.12.2

References

https://docs.suitecrm.com/admin/releases/7.10.x/#_7_10_35Release Notes, Vendor Advisory
https://docs.suitecrm.com/admin/releases/7.12.x/#_7_12_2Release Notes, Vendor Advisory
https://github.com/ach-ing/cves/blob/main/CVE-2021-45903.mdThird Party Advisory
https://docs.suitecrm.com/admin/releases/7.10.x/#_7_10_35Release Notes, Vendor Advisory
https://docs.suitecrm.com/admin/releases/7.12.x/#_7_12_2Release Notes, Vendor Advisory
https://github.com/ach-ing/cves/blob/main/CVE-2021-45903.mdThird Party Advisory

Timeline

Published: Dec 28, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45903?

How severe is CVE-2021-45903?

CVE-2021-45903 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45903?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45903?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST