[ShadyCSS] : regular expression may cause exponential backtracking

[romainmenke]

CodeQL warnings :

/(:host)(?:\(((?:\([^)(]*\)|[^)(]*)+?)\))/

This part of the regular expression may cause exponential backtracking on strings starting with ':host(' and containing many repetitions of '''.

CWE-400 CWE-730

---

/(?:::slotted)(?:\(((?:\([^)(]*\)|[^)(]*)+?)\))/

This part of the regular expression may cause exponential backtracking on strings starting with '::slotted(' and containing many repetitions of '''.

CWE-400 CWE-730

---

As far as I can tell this issue is not recent, but CodeQL can now detect it.

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[romainmenke]

Hi bot!

Please don't mark as stale, this is still an issue and this repo is in dire need of TLC...

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[romainmenke]

Still not stale, just being ignored