Newsletters vulnerability

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tribulant Software Newsletters newsletters-lite allows Stored XSS.This issue affects Newsletters: from n/a through <= 4.12.

Published 30 Dec 2025Updated 1 Oct 20261 sources
CVSS 6.5

What happened

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tribulant Software Newsletters newsletters-lite allows Stored XSS.This issue affects Newsletters: from n/a through <= 4.12.

Affected versions

Newsletters: 0 through 4.12 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.