High severity · published Jul 30, 2026
CVE-2026-28813
Apache JSPWiki: JSPWiki vulnerable to JSON hijacking
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
Apache JSPWiki, up to 2.12.3, is vulnerable to JSON Hijacking, which leads to csrf vulnerabilities.
Users are recommended to upgrade to version 2.12.4, which fixes this issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AJ
Apache JSPWiki · Apache Software Foundation
before 2.12.4 · source: vendor
JS
Jspwiki · Apache
before 2.12.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28813
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28813
Mailing List
https://lists.apache.org/thread/56440mymwkxt1hf3j8hjpo41yco7gotv
Mailing List
http://www.openwall.com/lists/oss-security/2026/07/30/16
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