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Severity
High
Analysis Summary
CVE-2021-40369
Apache JSPWiki is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the Denounce plugin. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2021-44140
Apache JSPWiki could allow a remote attacker to bypass security restrictions, caused by improper access control. By sending a specially-crafted HTTP request on logout, an attacker could exploit this vulnerability to delete arbitrary files in a system hosting a JSPWiki instance.
Impact
- Cross-SIte Scripting
- Security Bypass
Affected Vendors
Apache
Affected Products
- Apache JSPWiki 2.10.0
Remediation
Upgrade to the latest version of Apache JSPWiki, available from the Apache Web site.