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CVE-2019-20435

18
FAUCET Score

CVE-2019-20435 describes a reflected Cross-Site Scripting (XSS) vulnerability in WSO2 API Manager version 2.6.0. An attacker could exploit this by manipulating the 'docName' parameter in an HTTP GET request to the inline API documentation editor page within the API Publisher. Rated as MEDIUM severity (CVSS 4.8), this attack requires high privileges and user interaction, with potential impacts including limited confidentiality and integrity compromise. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:a:wso2:api_manager:2.6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.5LOW

CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
2.5
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.08%
Probability of exploitation in next 30 days
EPSS Percentile
61.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0108 is in the 95th percentile among its peer group of 4,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cybersecurityworks.com / zerodays/cve-2019-20435-wso2.html
ExploitThird Party Advisory
docs.wso2.com / display/Security/Security+Advisory+WSO2-2019-0633
Vendor Advisory
github.com / cybersecurityworks/Disclosed/issues/18
ExploitIssue TrackingThird Party Advisory