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CVE-2026-42794

Improper Neutralization of Input During Web Page Generation (XSS) vulnerability in absinthe-graphql absinthe_plug allows reflected cross-site scripting via the GraphiQL interface. 'Elixir.Absinthe.Plug.GraphiQL':js_escape/1 in lib/absinthe/plug/graphiql.ex escapes single quotes and newlines in the query GET parameter before embedding it in an inline JavaScript string, but does not escape backslashes. An attacker can bypass the escaping by prefixing a quote with a backslash (e.g. \'), breaking o
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a3d6a87be15632e2be1e85f69dc61407828c7a77275810542775eb66d4fcbbeb
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:absinthe-graphql:absinthe_plug:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Plug.GraphiQL'"],"packageName":"absinthe-graphql/absinthe_plug","packageURL":"pkg:github/absinthe-graphql/absinthe_plug","product":"absinthe_plug","programFiles":["lib/absinthe/plug/graphiql.ex"],"programRoutines":[{"name":"'Elixir.Absinthe.Plug.GraphiQL':js_escape/1"}],"repo":"https://github.com/absinthe-graphql/absinthe_plug","vendor":"absinthe-graphql","versions":[{"lessThan":"23a0d5658d32420086711adf4ce8f05febb09963","status":"a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/affected/1

{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:absinthe-graphql:absinthe_plug:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Plug.GraphiQL'"],"packageName":"absinthe_plug","packageURL":"pkg:hex/absinthe_plug","product":"absinthe_plug","programFiles":["lib/absinthe/plug/graphiql.ex"],"programRoutines":[{"name":"'Elixir.Absinthe.Plug.GraphiQL':js_escape/1"}],"repo":"https://github.com/absinthe-graphql/absinthe_plug","vendor":"absinthe-graphql","versions":[{"lessThan":"1.5.10","status":"affected","version":"1.2.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:absinthe-graphql:absinthe_plug:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Plug.GraphiQL'"],"packageName":"absinthe-graphql/absinthe_plug","packageURL":"pkg:github/absinthe-graphql/absinthe_plug","product":"absinthe_plug","programFiles":["lib/absinthe/plug/graphiql.ex"],"programRoutines":[{"name":"'Elixir.Absinthe.Plug.GraphiQL':js_escape/1"}],"repo":"https://github.com/absinthe-graphql/absinthe_plug","vendor":"absinthe-graphql","versions":[{"lessThan":"23a0d5658d32420086711adf4ce8f05febb09963","status":"a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/affected/1
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:absinthe-graphql:absinthe_plug:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Absinthe.Plug.GraphiQL'"],"packageName":"absinthe_plug","packageURL":"pkg:hex/absinthe_plug","product":"absinthe_plug","programFiles":["lib/absinthe/plug/graphiql.ex"],"programRoutines":[{"name":"'Elixir.Absinthe.Plug.GraphiQL':js_escape/1"}],"repo":"https://github.com/absinthe-graphql/absinthe_plug","vendor":"absinthe-graphql","versions":[{"lessThan":"1.5.10","status":"affected","version":"1.2.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /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:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /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:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-42794.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/absinthe-graphql/absinthe_plug/commit/23a0d5658d32420086711adf4ce8f05febb09963"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/absinthe-graphql/absinthe_plug/issues/275"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/adp/0/references/0
{"tags":["vendor-advisory"],"url":"https://github.com/absinthe-graphql/absinthe_plug/issues/275"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-42794"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a31f5f74ad30924c0d7349d0af1f8e30bee1c20856caccbd6c3b38dde314e43a · sha256:2729df82fff21a0f… · /containers/cna/references/2

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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