Apache JSPWiki Cross-Site Scripting (XSS) Vulnerability via Header Link Rendering
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 kind of attack too.
Apache JSPWiki users should upgrade to 2.12.3 or later.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.apache.jspwiki:jspwiki-main | < 2.12.3 | 2.12.3 |
| Java / Kotlin (Maven) | org.apache.jspwiki:jspwiki-markdown | < 2.12.3 | 2.12.3 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-24853
- https://github.com/apache/jspwiki/pull/376
- https://github.com/apache/jspwiki/commit/402f9a18b57dd910afba0139e6d3112d54ad650a
- https://github.com/apache/jspwiki/commit/f4089cb6d53223c2c291196ba687753a8b0422cf
- https://github.com/apache/jspwiki
- https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2025-24853
- http://www.openwall.com/lists/oss-security/2025/07/30/2
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.apache.jspwiki:jspwiki-main, org.apache.jspwiki:jspwiki-markdown- Disclosed
- 31.07.2025
- Updated
- 11.10.2026 12:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-rrff-chj9-w4c7 - CC BY 4.0
Vulnerability history: org.apache.jspwiki:jspwiki-main
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 18
- First → latest
- 04.2019 07.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 2
- Medium 15
Disclosures per year
- 2019: 4
- 2020: 0
- 2021: 2
- 2022: 8
- 2023: 1
- 2024: 1
- 2025: 2
- 2026: 0
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Apache JSPWiki Cross-Site Scripting (XSS) Vulnerability via Header Link Rendering this entry
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