Developer Tools · Coding Tools & IDEsstructuralLintingNo Code

WordPress Saves Invalid CSS With No Validation, Breaking Sites Silently

WordPress accepts custom CSS at save time without validating it, so a single malformed declaration ships live and manifests as symptoms that look like anything but a stylesheet problem. Debugging cost is disproportionate to the error because there is no pre-save check, no error surface, and no recoverable snapshot of the last working stylesheet.

1mentions
1sources
4.85

Signal

Visibility

7

Leverage

Impact

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Problem descriptions, scores, analysis, and solution blueprints may be updated as new community data becomes available.