CVE-2021-4195: XSS in Firmanet Software and Technology Customer Relation Manager

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-14 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Firmanet Software and Technology Customer Relation Manager allows XSS Targeting HTML Attributes. This issue affects Customer Relation Manager: before 2022.03.13.

Affected products

Firmanet Software and Technology Customer Relation Manager: before 2022.03.13 — fixed in 2022.03.13

How to fix

Upgrade to a fixed version: Firmanet Software and Technology Customer Relation Manager 2022.03.13. Check the vendor advisory for mitigations.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0145
https://www.usom.gov.tr/bildirim/tr-23-0145
https://www.usom.gov.tr/bildirim/tr-23-0145

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