@apostrophecms/seo Vulnerable to Stored XSS via Unsanitized Google Analytics / GTM ID Injected into Script Tag — GHSA-WF43-FPP3-CF65

Summary

<img width="1919" height="1046" alt="curl" src="https://github.com/user-attachments/assets/8aa19ff1-7f4b-44ee-83d5-d0dd1a0269f6" /> <img width="1919" height="775" alt="xss" src="https://github.com/user-attachments/assets/a65012e8-9b2f-416f-94df-c00493f2ca1d" /> ### Summary The `@apostrophecms/seo` package injects the Google Analytics Tracking ID (`seoGoogleTrackingId`) and Google Tag Manager ID…

Timeline

Published by source

2026-07-31

Risk context

• Reported severity or threat level: high.
• Review exposure for the affected product or family: npm: @apostrophecms/seo.

Product

npm: @apostrophecms/seo

What to do

General, cautious steps (verify details in the official source):

• Prioritize patching or mitigation immediately (treat as actively risky).
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

GHSA-WF43-FPP3-CF65

Source

GitHub

Vendor

GitHub

Published by source

2026-07-31

Last source activity

2026-07-31

Additional identifiers

CVE-2026-53608

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.