CVE-2025-24853

CVE-2025-24853 affects Apache JSPWiki. The issue is a Cross-Site Scripting (XSS) vulnerability in header link processing, caused by unsafely handling header links created via wiki markup (and, per later research, the markdown parser). When exploited, an attacker could cause JavaScript execution i...

CVE-2025-24853 Apache JSPWiki: Cross-Site Scripting (XSS) in JSPWiki Header Link processing

A carefully crafted request when creating a header link using the wiki markup syntax, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Further research by the JSPWiki team showed that the markdown parser allowed this...