CVE-2021-40369
XSS vulnerability on Denounce plugin
CVE-2021-40369 is a medium vulnerability (CVSS 6.1) in Apache Jspwiki, published November 24, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.42%, the 89th percentile. Fixed in org.apache.jspwiki:jspwiki-main 2.11.0.
- Severity
- 6.1 MediumCVSS 3.1, NVD
- Exploit chance
- 3.42%EPSS, 89th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
2.11.0org.apache.jspwiki:jspwiki-main +1 more
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.jspwiki:jspwiki-mainMaven | before 2.11.0 | 2.11.0 |
org.apache.jspwiki:jspwiki-mainMaven | before 2.11.0, plus listed versions 2.11.0.M12.11.0.M22.11.0.M32.11.0.M42.11.0.M52.11.0.M62.11.0.M72.11.0.M8 | 2.11.0 |
What each source reports
NVD Score used
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.
- Record
CVE-2021-40369- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
XSS vulnerability on Denounce plugin
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.
- Record
CVE-2021-40369- Updated
- 2026-11-02
EUVDEUVD-2021-2503No score
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.
- Record
EUVD-2021-2503- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cfqj-9g2g-w7q6
Apache JSPWiki Cross-site Scripting due to carefully crafted plugin link invocation
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.
- Record
GHSA-cfqj-9g2g-w7q6- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-40369- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-cfqj-9g2g-w7q6
Apache JSPWiki Cross-site Scripting due to carefully crafted plugin link invocation
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.
- Record
GHSA-cfqj-9g2g-w7q6- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.