SB2026082557 - Multiple vulnerabilities in Apache JSPWiki

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026082557

SB2026082557 - Multiple vulnerabilities in Apache JSPWiki

Published: August 25, 2026

Security Bulletin ID SB2026082557
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 60% Low 40%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Missing Authentication for Critical Function (CVE-ID: CVE-2026-28814)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to improper access control in Apache JSPWiki when rendering arbitrary wiki markup. A remote attacker can submit crafted wiki markup to disclose sensitive information.


2) Cross-site scripting (CVE-ID: CVE-2026-48910)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 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]


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.


3) Insufficient verification of data authenticity (CVE-ID: CVE-2026-28813)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

CVSSv4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to improper access control in JSON responses when exposing sensitive data structures to cross-origin requests. A remote attacker can induce a victim's browser to access crafted content to perform cross-site request forgery attacks.


4) Improper access control (CVE-ID: CVE-2026-28812)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to escalate privileges.

The vulnerability exists due to improper access control in UserManager when processing the user database at startup. A remote user can manipulate the user database to escalate privileges.


5) Information Exposure Through an Error Message (CVE-ID: CVE-2026-28811)

CWE-ID: CWE-209 - Information Exposure Through an Error Message

CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to debug messages revealing unnecessary information in error handling when processing requests that trigger errors. A remote attacker can send a specially crafted request to disclose sensitive information.


Remediation

Install update from vendor's website.

References