Cross-site scripting in Apache JSPWiki - CVE-2026-48910
Published: August 25, 2026
Vulnerability identifier: #VU145177
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-48910
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary javascript in the victim's browser and disclose sensitive information.
The vulnerability exists due to cross-site scripting in the markdown renderer error processing when handling a crafted editing request. A remote user can send a specially crafted editing request to execute arbitrary javascript in the victim's browser and disclose sensitive information.
Affected software
Apache JSPWiki
How to mitigate CVE-2026-48910
Install security update from vendor's website.
Apache JSPWiki - update to 2.12.4