Public vulnerability disclosure

CVE-2026-118422

Stape Conversion Tracking 2.3.0 - 2.3.10 - Unauthenticated SSRF and Same-Origin XSS via Proxy Sub-Path

publishedCWE-918CWE-79

The Stape Conversion Tracking WordPress plugin before 2.3.11 does not validate the sub-path appended to its same-origin proxy's upstream endpoint, allowing unauthenticated visitors to redirect the server-side request to an arbitrary host and have the response body and its content type returned from the site's own origin with security response headers stripped, leading to Server-Side Request Forgery, including loopback and internal hosts, and Cross-Site Scripting.

Technical severityUnscoredNo score in collected sources
Published2026-11-04Source updated 2026-11-04
Collected2026-11-041 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Stape Conversion Tracking
Unknown
≥ 2.3.0; < 2.3.11 (affected, semver)
Other versions: unaffected
CNA: WPScan

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

No CVSS assessment reported. An unscored record is not a low-severity determination.

Exploit evidence

References

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