CVE-2021-45903

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-28 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

salesagility SuiteCRM: before 7.10.35; from 7.11.0 before 7.12.2 — fixed in 7.10.35, 7.12.2

How to fix

Upgrade to a fixed version: salesagility SuiteCRM 7.10.35, 7.12.2. Check the vendor advisory for mitigations.

References

https://docs.suitecrm.com/admin/releases/7.10.x/#_7_10_35
https://docs.suitecrm.com/admin/releases/7.12.x/#_7_12_2
https://github.com/ach-ing/cves/blob/main/CVE-2021-45903.md
https://docs.suitecrm.com/admin/releases/7.10.x/#_7_10_35
https://docs.suitecrm.com/admin/releases/7.12.x/#_7_12_2
https://github.com/ach-ing/cves/blob/main/CVE-2021-45903.md

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