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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 to the matched substring. The filter only charges `memoryLimit` 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 `memoryLimit` budget, leading to denial of
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3ecfae37d3d7ca88b5ea297f568e317dee59799d6d900e32c467978c601ef416
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"liquidjs","vendor":"harttle","versions":[{"status":"affected","version":"< 10.25.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/harttle/liquidjs/commit/35d523026345d80458df24c72e653db78b5d061d","tags":["x_refsource_MISC"],"url":"https://github.com/harttle/liquidjs/commit/35d523026345d80458df24c72e653db78b5d061d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/harttle/liquidjs/security/advisories/GHSA-6q5m-63h6-5x4v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/adp/0/references/0
{"name":"https://github.com/harttle/liquidjs/security/advisories/GHSA-6q5m-63h6-5x4v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/harttle/liquidjs/security/advisories/GHSA-6q5m-63h6-5x4v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:abc2cb4afc8f08b36399d3a9080e97d7afadcfb2cfdf59ccf475ad3e802aa956 · sha256:7c61264d7770d2c4… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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