LiveThreat Intelligence Brief — Piranha CMS
What Happened — A stored cross‑site scripting (XSS) flaw (CVE‑2025‑57692) was discovered in Piranha CMS 12.0’s Text content block. An authenticated admin can inject malicious JavaScript that executes for any user viewing the page. Why It Matters for TPRM —
- Enables credential or session theft from downstream users.
- Can be leveraged to pivot into other internal applications hosted on the same domain.
- Highlights the need for rigorous third‑party web‑app vetting and patch management.
Who Is Affected — Organizations that deploy Piranha CMS (e.g., media sites, e‑commerce portals, government portals, education portals).
Recommended Actions — Review any contracts that include Piranha CMS, verify that the vendor has a remediation plan, apply input‑sanitisation controls, restrict admin access, and monitor for anomalous script execution.
Technical Notes — The vulnerability resides in the /manager/pages endpoint; payloads can be injected via the Text block editor and execute immediately on save and on page view. No patched version is currently released. Source: https://www.exploit-db.com/exploits/52471