How severe is CVE-2021-45903?

CVE-2021-45903 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-45903 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45903?

CVE-2021-45903 affects Salesagility Suitecrm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45903?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45903 published?

CVE-2021-45903 was published on 2021-12-28 and last updated on 2026-06-17.

CVE-2021-45903

CVE-2021-45903 is a medium-severity vulnerability in Salesagility Suitecrm with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Salesagility Suitecrm
Published: 2021-12-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-45903?: 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.
How severe is CVE-2021-45903?: CVE-2021-45903 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-45903 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45903?: CVE-2021-45903 affects Salesagility Suitecrm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45903?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45903 published?: CVE-2021-45903 was published on 2021-12-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:salesagility:suitecrm:*:*:*:*:*:*:*:*

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