How severe is CVE-2022-27166?

CVE-2022-27166 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-27166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27166?

CVE-2022-27166 affects Apache Jspwiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27166?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-27166 published?

CVE-2022-27166 was published on 2022-08-04 and last updated on 2026-06-17.

CVE-2022-27166

CVE-2022-27166 is a medium-severity vulnerability in Apache Jspwiki with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 85% places it in the 100th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 85% (100th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Jspwiki
Published: 2022-08-04
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2022-27166?: 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.
How severe is CVE-2022-27166?: CVE-2022-27166 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-27166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 85% (100th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27166?: CVE-2022-27166 affects Apache Jspwiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27166 published?: CVE-2022-27166 was published on 2022-08-04 and last updated on 2026-06-17.

References

https://jspwiki-wiki.apache.org/Wiki.jsp?page=CVE-2022-28732

Affected products (1)

cpe:2.3:a:apache:jspwiki:*:*:*:*:*:*:*:*

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