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Vulnerabilities

Vulnerability · CVE-2026-33287

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript.

Published Mar 26, 2026 · catalog updated Jun 17, 2026 · LiquidJS is a Shopify

Check if you run it

No confirmed exploitation is on record for CVE-2026-33287. EPSS is 0.52%. Act only if a listed version of LiquidJS is a Shopify is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (LiquidJS is a Shopify).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.52%
Remediation
Advisory link
Affected products
cpe liquidjs/liquidjs

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the filter in LiquidJS uses JavaScript's which interprets as a back reference to the matched substring. The filter only charges for the input string length, not the amplified output. An attacker can achieve exponential memory amplification (up to 625,000:1) while staying within the budget, leading to denial of service. Version 10.25.1 patches the issue.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe liquidjs/liquidjsversion unspecified

How to fix CVE-2026-33287

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-33287. EPSS is 0.52%. Act only if a listed version of LiquidJS is a Shopify is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation; CWE-400: Uncontrolled Resource Consumption. EPSS 0.52%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 26, 2026 · NIST NVD

    Detected

    LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the filter in LiquidJS uses JavaScript's which interprets as a back reference to the matched substring. The filter only charges for the input string length, not the amplified output. An attacker can achieve exponential memory amplification (up to 625,000:1) while staying within the budget,

  2. Jun 17, 2026 · NIST NVD

    Updated

    LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the filter in LiquidJS uses JavaScript's which interprets as a back reference to the matched substring. The filter only charges for the input string length, not the amplified output. An attacker can achieve exponential memory amplification (up to 625,000:1) while staying within the budget,

Sources

  • CVE.orgVulnerability recordCVE-2026-33287

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-33287

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-33287

    LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the filter in LiquidJS uses JavaScript's which interprets as a back reference to the matched substring. The filter only

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.