How severe is CVE-2022-28731?

CVE-2022-28731 has a CVSS score of 6.5/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2022-28731?

CVE-2022-28731 affects the following packages: org.apache.jspwiki:jspwiki-main (Maven). Ecosystems affected: Maven.

How do I fix CVE-2022-28731?

Update org.apache.jspwiki:jspwiki-main to 2.11.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-28731 is resolved across your whole dependency graph.

How do I detect CVE-2022-28731 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.jspwiki:jspwiki-main, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2022-28731 if there is no patch (or I can't update yet)?

If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Is CVE-2022-28731 actively exploited in the wild?

No public exploit code has been indexed for CVE-2022-28731 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2022-28731?

CVE-2022-28731 has an EPSS (Exploit Prediction Scoring System) score of 58.7%, placing it in the 99th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

What type of vulnerability is CVE-2022-28731?

CVE-2022-28731 is classified as Cross-Site Request Forgery (CSRF) (CWE-352). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2022-28731 published, and has it been updated?

CVE-2022-28731 was published on August 4, 2022 and was last updated on October 28, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

MEDIUM severity

CVE-2022-28731 — jspwiki-main

MEDIUM

CVE-2022-28731 is a medium-severity (CVSS 6.5) Cross-Site Request Forgery (CSRF) vulnerability in org.apache.jspwiki:jspwiki-main. EPSS puts its 30-day exploitation probability at 58.7% (99th percentile). A fix is available for org.apache.jspwiki:jspwiki-main — see the affected versions and patch details below.

Apache JSPWiki CSRF in UserPreferences.jsp

Also known asGHSA-9x9j-vrhj-v364

Published

Aug 4, 2022

Updated

Oct 28, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

58.7%probability of exploitation in next 30 days

High Risk0.00%

Lower risk than most CVEs99th percentile — riskier than 99% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

☕org.apache.jspwiki:jspwiki-main

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

A carefully crafted request on UserPreferences.jsp could trigger an CSRF vulnerability on Apache JSPWiki before 2.11.3, which could allow the attacker to modify the email associated with the attacked account, and then a reset password request from the login page.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.apache.jspwiki:jspwiki-main`	all versions	2.11.3`org.apache.jspwiki:jspwiki-main:2.11.3`

Affected Products

1 product · 1 configurations

Application

jspwikiapache

< 2.11.3

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.apache.jspwiki:jspwiki-main, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.apache.jspwiki:jspwiki-main to 2.11.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2022-28731 is resolved across your whole dependency graph.
Workarounds
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2022-28731 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

6.5/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CWE Classification

CWE-352Cross-Site Request Forgery (CSRF)

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Aug 4, 2022

Last updated

Oct 28, 2026

Identifiers

CVE-2022-28731

GHSA-9x9j-vrhj-v364

References

Advisorygithub.com · CVE 2022 28731.json Advisorynvd.nist.gov · CVE 2022 28731 Webjspwiki-wiki.apache.org · Wiki.jsp Packagegithub.com · jspwiki

Related vulnerabilities

This CVE is medium severity; 8 of 8 other CVEs affecting jspwiki-main are rated as high or higher (top: high).

CVE-2025-24854CVE-2025-24853CVE-2024-27136CVE-2022-46907CVE-2022-27166CVE-2022-28730CVE-2022-28732CVE-2022-34158

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 28, 2026

CVE-2022-28731 — jspwiki-main

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2022-28731 in your dependencies?