CVE-2019-20440 — An issue was discovered in WSO2 API Manager 2

An issue was discovered in WSO2 API Manager 2.6.0. A potential Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the update API documentation feature of the API Publisher.

01What is this vulnerability?

An issue was discovered in WSO2 API Manager 2.6.0. A potential Reflected Cross-Site Scripting (XSS) vulnerability has been identified in the update API documentation feature of the API Publisher.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2020-01-27T23:37:26.000Z
• Last modified: 2024-08-05T02:39:09.883Z

09References

• docs.wso2.com — https://docs.wso2.com/display/Security/Security+Advisory+WSO2-2019-0646
• github.com — https://github.com/cybersecurityworks/Disclosed/issues/24
• cybersecurityworks.com — https://cybersecurityworks.com/zerodays/cve-2019-20440-wso2.html