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CVE-2021-26628

8.1 · HIGH

Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges.

Published Apr 26, 2022CWE-79EPSS 0.79%

Overview

CVE-2021-26628 is a high-severity vulnerability. It was published on April 26, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Insufficient script validation of the admin page enables XSS, which causes unauthorized users to steal admin privileges. When uploading file in a specific menu, the verification of the files is insufficient. It allows remote attackers to upload arbitrary files disguising them as image files.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673Refwww.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66673

How CyberStrike helps

Frequently asked questions

What is CVE-2021-26628?

CVE-2021-26628 is a high-severity vulnerability. It was published on April 26, 2022 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2021-26628?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-26628?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-26628?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-26628 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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