What’s Vulnerable › Vulnerabilities

CVE-2021-27522

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-08 · updated 2026-06-17
• Weakness: CWE-287

Description

Learnsite 1.2.5.0 contains a remote privilege escalation vulnerability in /Manager/index.aspx through the JudgIsAdmin() function. By modifying the initial letter of the key of a user cookie, the key of the administrator cookie can be obtained.

Affected products

• Learnsite Project Learnsite: 1.2.5.0

References

• https://github.com/WaterCountry/Learnsite/issues/1
• https://github.com/WaterCountry/Learnsite/issues/1

Get alerted when CVE-2021-27522 or the next vulnerability affects your stack