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CVE-2026-33168

Action View provides conventions and helpers for building web pages with the Rails framework. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when a blank string is used as an HTML attribute name in Action View tag helpers, the attribute escaping is bypassed, producing malformed HTML. A carefully crafted attribute value could then be misinterpreted by the browser as a separate attribute name, possibly leading to XSS. Applications that allow users to specify custom HTML attributes are affected.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:544ece4e5cd16f3d1314375557c4ebf8cc8fa9c6f57ba19ce7f1651ee906d288
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"actionview","vendor":"rails","versions":[{"status":"affected","version":">= 8.1.0.beta1, < 8.1.2.1"},{"status":"affected","version":">= 8.0.0.beta1, < 8.0.4.1"},{"status":"affected","version":"< 7.2.3.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/problemTypes/0/descriptions/0

Source references

7 source assertions
{"name":"https://github.com/rails/rails/commit/0b6f8002b52b9c606fd6be9e7915d9f944cf539c","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/0b6f8002b52b9c606fd6be9e7915d9f944cf539c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/1
{"name":"https://github.com/rails/rails/commit/63f5ad83edaa0b976f82d46988d745426aa4a42d","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/63f5ad83edaa0b976f82d46988d745426aa4a42d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/2
{"name":"https://github.com/rails/rails/commit/c79a07df1e88738df8f68cb0ee759ad6128ca924","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/commit/c79a07df1e88738df8f68cb0ee759ad6128ca924"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/3
{"name":"https://github.com/rails/rails/releases/tag/v7.2.3.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v7.2.3.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/4
{"name":"https://github.com/rails/rails/releases/tag/v8.0.4.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v8.0.4.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/5
{"name":"https://github.com/rails/rails/releases/tag/v8.1.2.1","tags":["x_refsource_MISC"],"url":"https://github.com/rails/rails/releases/tag/v8.1.2.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /containers/cna/references/6
{"name":"https://github.com/rails/rails/security/advisories/GHSA-v55j-83pf-r9cq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/rails/rails/security/advisories/GHSA-v55j-83pf-r9cq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ec17823d7ce6fb205b00d9a7406f5c0a17ec7a2e55e36d5c6764ec6ce4b636a8 · sha256:821a0d3ac1e1cebd… · /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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