CVE-2019-15827: The onesignal-free-web-push-notifications plugin before 1.17.8 for WordPress has XSS via the subdomain parameter.

medium Affects onesignal-free-web-push-notifications (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The onesignal-free-web-push-notifications plugin before 1.17.8 for WordPress has XSS via the subdomain parameter.

Package
onesignal-free-web-push-notifications (WordPress plugin) WordPress
Affected versions
=1.17.5
Fixed in
no fix recorded
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (64.6th percentile)
Published
2019-08-30
Source
nvd

References

CWE-79
NVD recordonesignal-free-web-push-notifications (WordPress plugin) advisories

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# then
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