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Vulnerability record · CVE-2021-44667 · published 11 March 2022

CVE-2021-44667: Alibaba nacos cross-site scripting vulnerability

Alibaba · Nacos

A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.

6.1 CVSS 3.1 Medium EPSS 0.83% · top 44.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A Cross Site Scripting (XSS) vulnerability exists in Nacos 2.0.3 in auth/users via the (1) pageSize and (2) pageNo parameters.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/alibaba/nacos/issues/7359 ExploitIssue TrackingThird Party Advisory
https://github.com/alibaba/nacos/issues/7359 ExploitIssue TrackingThird Party Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-44667), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.