CVE-2026-48910

EUVD-2026-51183
A carefully crafted editing request could trigger an XSS vulnerability 
on Apache JSPWiki when parsing errors on the markdown renderer, which 
could allow the attacker to execute javascript in the victim's browser 
and get some sensitive information about the victim.


This issue affects Apache JSPWiki: through 2.12.3.

Users are recommended to upgrade to version 2.12.4, which fixes the issue.
Basic XSS
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
apacheCNA
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
apachejspwiki
𝑥
≤ 2.12.3
CNA
Common Weakness Enumeration
References
https://lists.apache.org/thread/yvbdjnocw5qq3xkbjs9h77ghlg0bsw2c
http://www.openwall.com/lists/oss-security/2026/07/30/18