nextcloud / nextcloud/server

Consider silencing libxml_disable_entity_loader instead of conditional PHP 8 checks

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#26,801 2 comments 2 reactions 0 assignees View on GitHub

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1. to develop enhancement security
Dominant language
PHP
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Description

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading the linked SonarSource XXE vulnerability report, then locate the conditional PHP 8 checks and uses of libxml_disable_entity_loader in the repository. Clarify the intended safe behavior and identify suitable tests before making changes; the issue is complete only when the behavior is implemented and verified without the conditional checks.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
backend, security
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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