What is CVE-2020-25516?

CVE-2020-25516 is a medium-severity vulnerability in Wso2 Enterprise Integrator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-29.

How severe is CVE-2020-25516?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2020-25516 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wso2 Enterprise Integrator

CVE-2020-25516

WSO2 Enterprise Integrator 6.6.0 or earlier contains a stored cross-site scripting (XSS) vulnerability in BPMN explorer tasks.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-10-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Wso2 Enterprise Integrator

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

piuppi/Proof-of-Concepts

References

docs.wso2.com/display/Security/Security+Advisory+WSO2-2020-0781 (Vendor Advisory)
github.com/piuppi/Proof-of-Concepts/blob/main/WSO2/CVE-2020-25516.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25516?: CVE-2020-25516 is a medium-severity vulnerability in Wso2 Enterprise Integrator, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-10-29.
How severe is CVE-2020-25516?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2020-25516 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.