CVE Tools
Sign in

CVE-2021-40369

XSS vulnerability on Denounce plugin

Published: Nov 24, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-79
6.1MEDIUM
NVD MITRE
EPSS Score
3.3%
Top 12.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

A carefully crafted plugin link invocation could trigger an XSS vulnerability on Apache JSPWiki, related to the Denounce plugin, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim. Apache JSPWiki users should upgrade to 2.11.0 or later.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:CC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

apache
oss-project·USaka apache http server, apache httpd
jspwikiOn-premWeb App
Web & CMS Plugins / forum-wiki
Maven
package-ecosystem
org.apache.jspwiki:jspwiki-main
OSS Libraries
Apache Software Foundation
oss-project·USaka apache foundation
Apache JSPWikiOn-premWeb App
Web & CMS Plugins / cms-core

Exploitability

Official Patch Available
Workaround Available
Is your org exposed to CVE-2021-40369?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2022/08/03/3
openwall.com
https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2021-40369
jspwiki-wiki.apache.org
https://lists.apache.org/thread/r2j00nrnpjgcmoxvlv3pgfoq9kzrcsfh
lists.apache.org
and 2 more references View all →

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-40369 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows