CVE-2023-6836

WSO2 products vulnerable to XML External Entity attack

4.6 MediumFix available

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.48%Up 0.4 points since Dec 16, 2023

What each source reports

CVE List Score used 4.6

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: CVE-2023-6836
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-611
Updated: 2026-11-02

EUVDEUVD-2023-3188 4.6

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: EUVD-2023-3188
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-cr8h-fr86-8vfv 4.6

WSO2 products vulnerable to XML External Entity attack

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: GHSA-cr8h-fr86-8vfv
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-611
Updated: 2026-11-02

NVD 4.6

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: CVE-2023-6836
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-611
Updated: 2026-11-02

OSV 7.5

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: CVE-2023-6836
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVGHSA-cr8h-fr86-8vfv 4.6

WSO2 products vulnerable to XML External Entity attack

Multiple WSO2 products have been identified as vulnerable due to an XML External Entity (XXE) attack abuses a widely available but rarely used feature of XML parsers to access sensitive information.

Record: GHSA-cr8h-fr86-8vfv
CVSS 3.1: 4.6 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness: CWE-611
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`org.wso2.carbon.commons:org.wso2.carbon.ntask.core` Maven	before 4.7.24	4.7.24
`org.wso2.am:wso2am` Maven	before 4.0.0-beta	4.0.0-beta
`org.wso2.carbon.registry:org.wso2.carbon.registry.extensions` Maven	before 4.7.31	4.7.31
`org.wso2.carbon.event-processing:org.wso2.carbon.event.processor.core` Maven	before 2.2.12	2.2.12
`org.wso2.carbon.analytics-common:org.wso2.carbon.event.input.adapter.core` Maven	before 5.2.23	5.2.23
`org.wso2.carbon.governance:org.wso2.carbon.governance.common` Maven	before 4.8.13	4.8.13
`org.wso2.carbon.commons:org.wso2.carbon.ntask.core` Maven	before 4.7.24, plus listed versions 4.3.04.3.14.3.24.3.34.3.4 Show 45 moreShow less 4.3.54.3.64.4.04.4.14.4.24.4.34.4.44.4.54.4.64.4.74.4.84.4.94.5.04.5.0-alpha14.5.0-beta14.5.14.5.104.5.114.5.124.5.24.5.34.5.44.5.54.5.74.5.84.5.94.6.04.6.14.6.104.6.114.6.124.6.134.6.144.6.154.6.164.6.174.6.184.6.194.6.24.6.204.6.214.6.224.6.234.6.244.6.25	4.7.24
`org.wso2.carbon.registry:org.wso2.carbon.registry.extensions` Maven	before 4.7.31, plus listed versions 4.6.114.6.124.6.134.6.144.6.15 Show 36 moreShow less 4.6.164.6.174.6.184.6.194.6.204.6.214.6.224.6.234.6.244.6.254.6.264.6.274.6.284.6.294.6.304.6.314.6.324.6.334.6.344.6.354.6.364.6.374.6.384.6.394.6.404.6.414.6.424.7.134.7.144.7.154.7.164.7.174.7.254.7.264.7.274.7.28	4.7.31
`org.wso2.carbon.event-processing:org.wso2.carbon.event.processor.core` Maven	before 2.2.12, plus listed versions 2.0.12.0.102.0.112.0.122.0.13-alpha Show 45 moreShow less 2.0.13-alpha22.0.13-beta2.0.13-beta22.0.22.0.32.0.42.0.4-alpha2.0.52.0.62.0.72.0.82.0.92.1.02.1.0-alpha2.1.0-beta2.1.12.1.102.1.112.1.122.1.132.1.142.1.152.1.162.1.172.1.182.1.192.1.22.1.202.1.212.1.222.1.232.1.242.1.252.1.262.1.272.1.282.1.292.1.32.1.42.1.52.1.62.1.72.1.82.1.92.2.6	2.2.12
`org.wso2.carbon.analytics-common:org.wso2.carbon.event.input.adapter.core` Maven	before 5.2.23, plus listed versions 1.0.02.0.0-alpha5.0.05.0.15.0.10 Show 45 moreShow less 5.0.115.0.12-alpha5.0.12-alpha25.0.12-beta5.0.12-beta25.0.25.0.35.0.45.0.55.0.65.0.75.0.85.0.95.1.05.1.0-alpha5.1.0-beta5.1.15.1.115.1.125.1.135.1.145.1.155.1.165.1.175.1.185.1.195.1.25.1.2-alpha5.1.205.1.215.1.225.1.235.1.245.1.255.1.265.1.275.1.285.1.295.1.35.1.305.1.315.1.325.1.335.1.345.1.35	5.2.23
`org.wso2.carbon.governance:org.wso2.carbon.governance.common` Maven	before 4.8.13, plus listed versions 4.5.04.5.14.5.24.5.34.5.4 Show 45 moreShow less 4.5.54.5.64.5.74.5.84.5.94.6.04.6.14.6.24.6.2-alpha4.6.2-alpha24.6.2-beta4.6.34.6.44.6.54.7.04.7.14.7.104.7.114.7.124.7.134.7.144.7.154.7.164.7.174.7.184.7.194.7.24.7.204.7.214.7.224.7.234.7.244.7.254.7.264.7.274.7.284.7.294.7.34.7.44.7.54.7.64.7.74.7.84.7.94.8.10	4.8.13

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-6836 is a medium vulnerability (CVSS 4.6) in Wso2 Api Manager, published December 15, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.48%, the 41st percentile. Fixed in org.wso2.carbon.commons:org.wso2.carbon.ntask.core 4.7.24.

References

This page doesn't list everything

Left out here: 89 versions. The JSON record has them.