CVE-2022-27166
Published: 04 August 2022
Summary
CVE-2022-27166 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Apache Jspwiki. Its CVSS base score is 6.1 (Medium).
Operationally, ranked in the top 4.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2022-27166 is a cross-site scripting vulnerability in Apache JSPWiki versions up to and including 2.11.2. It is triggered when a carefully crafted request reaches the XHRHtml2Markup.jsp component, allowing script execution within the context of a victim's browser session.
An unauthenticated remote attacker can exploit the flaw by inducing a victim to interact with a malicious request, resulting in JavaScript execution that may disclose limited sensitive information from the victim's browser. The issue carries a CVSS 3.1 score of 6.1 reflecting network attack vector, low complexity, required user interaction, and changed scope with partial confidentiality and integrity impact.
The supplied references point to Apache JSPWiki documentation pages, though they reference a different CVE identifier and contain no additional mitigation details in the provided data. The associated EPSS score has remained flat at 0.1753 with no observed rise after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-6460
Vulnerability details
A carefully crafted request on XHRHtml2Markup.jsp could trigger an XSS vulnerability on Apache JSPWiki up to and including 2.11.2, which could allow the attacker to execute javascript in the victim's browser and get some sensitive information about the victim.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.