AIKIDO-2026-10835
liquidjs is vulnerable to Regular Expression Denial of Service (ReDoS)
65
Medium Risk
This Affects:
liquidjsTL;DR
The strip_html filter stripped markup with a global regex whose backtracking grew quadratically on inputs with many unclosed tag openers. An attacker who can drive large translated strings through that filter can pin CPU for extended periods and deny service. The implementation is now a single linear scan over raw-text and generic tag blocks with explicit open/close handling. Tests bound runtime on adversarial PoC strings.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
liquidjs is vulnerable to Regular Expression Denial of Service (ReDoS) in versions 10.0.0 - 10.25.7.
How to fix this
Upgrade the liquidjs library to the patch version.
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SOC 2Compliant
ISO 27001Compliant