CVE-2022-27166 | XSS vulnerability on XHRHtml2Markup.jsp in JSPWiki 2.11.2

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.

Published: 2022-08-04 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2022-27166 is rated Moderate Risk (62.7/100): CVSS Medium severity, with high exploitation likelihood (EPSS 17.53%, 95th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +8.93% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2022-27166

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-05 8.60% 17.53% +8.93%
2 2025-11-21 19.60% 8.60% -11.01%
3 2025-11-18 — 19.60% —

Full EPSS history (17 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2022-27166

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.1 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 2.7 [email protected]

Weakness enumeration for CVE-2022-27166

GitHub Security Advisory for CVE-2022-27166

GHSA-2fxf-qj94-3f83 · Severity: medium · Ecosystem: maven — Apache JSPWiki XSS due to crafted request on XHRHtml2Markup.jsp

OS Trackers for CVE-2022-27166

vendor priority summary link
ubuntu medium CVE-2022-27166 medium priority: Ubuntu including 1 source packages (jspwiki), 6 status rows across 6 suites (bionic, focal, jammy, trusty, upstream, xenial): DNE 4, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2022-27166

Affected software / configurations for CVE-2022-27166

Vendor Product Version Raw CPE
apache jspwiki < 2.11.3 cpe:2.3:a:apache:jspwiki:*:*:*:*:*:*:*:*

References for CVE-2022-27166

cvelogic Threat Intelligence