CVE-2021-30213 Cross-site scripting in n/a

What is CVE-2021-30213?

CVE-2021-30213 is a medium-severity cross-site scripting vulnerability in n/a, published on 12 May 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Knowage Suite 7.3 is vulnerable to unauthenticated reflected cross-site scripting (XSS). An attacker can inject arbitrary web script in '/servlet/AdapterHTTP' via the 'targetService' parameter.

Weakness: CWE-79

Which versions are affected by CVE-2021-30213?

It affects 1 product.

Products include Eng Knowage.

How do I fix CVE-2021-30213?

No fix has been published for CVE-2021-30213 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2021-30213 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-30213 exists.

Public exploit code: 1 Nuclei template.

Other vulnerabilities in n/a

• CVE-2023-38702 Knowage Server vulnerable to path traversal via upload functionality Critical 10.0
• CVE-2019-13188 Auth bypass in n/a Critical 9.8
• CVE-2025-59954 Knowage Contains a Remote Code Execution Vulnerability Critical 9.3
• CVE-2021-30055 SQL injection in n/a High 8.8
• CVE-2019-13348 Information disclosure in n/a High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-rhgp-mf49-p5gr.