What is CVE-2026-33287?

CVE-2026-33287 is a high-severity vulnerability in Harttle Liquidjs, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-26.

How severe is CVE-2026-33287?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Harttle Liquidjs

CVE-2026-33287

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the `replace_first` filter in LiquidJS uses JavaScript's `String.prototype.replace()` which interprets `$&` as a back reference t…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Harttle Liquidjs — versions < 10.25.1
Liquidjs

Weakness classification (CWE)

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-33287?: CVE-2026-33287 is a high-severity vulnerability in Harttle Liquidjs, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2026-03-26.
How severe is CVE-2026-33287?: High severity. CVSS v3 base score is 7.5 out of 10.