CVE-2021-28901

Name: CVE-2021-28901
Creator: NVD / NIST
Published: 2021-09-15T18:15:08.933+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2021-28901 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Multiple cross-site scripting (XSS) vulnerabilities exist in SITA Software Azur CMS 1.2.3.1 and earlier, which allows remote attackers to inject arbitrary web script or HTML via the (1) NOM_CLI , (2) ADRESSE , (3) ADRESSE2, (4) LOCALITE parameters to /eshop/products/json/aouCustomerAdresse; and the (5) nom_liste parameter to /eshop/products/json/addCustomerFavorite.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

Multiple cross-site scripting (XSS) vulnerabilities exist in SITA Software Azur CMS 1.2.3.1 and earlier, which allows remote attackers to inject arbitrary web script or HTML via the (1) NOM_CLI , (2) ADRESSE , (3) ADRESSE2, (4) LOCALITE parameters to /eshop/products/json/aouCustomerAdresse; and the (5) nom_liste parameter to /eshop/products/json/addCustomerFavorite.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.78%

51.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Sitasoftware	Azurcms	<= 1.2.3.12

References

https://github.com/post-cyberlabs/CVE-Advisory/blob/main/CVE_2021_28901.pdfExploit, Third Party Advisory
https://github.com/post-cyberlabs/CVE-Advisory/blob/main/CVE_2021_28901.pdfExploit, Third Party Advisory

Timeline

Published: Sep 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28901?

How severe is CVE-2021-28901?

CVE-2021-28901 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28901?

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-2021-28901?

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

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Source: NVD / NIST