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CVE-2026-58228

Cross-site scripting vulnerability in phoenixframework phoenix_live_view allows an attacker to bypass URL scheme validation and execute JavaScript in a victim's browser session. The Phoenix.LiveView.Utils.valid_destination!/2 and Phoenix.LiveView.Utils.valid_live_navigation_destination!/2 functions in lib/phoenix_live_view/utils.ex rely on an internal uri_scheme/1 helper that only detects a scheme when the input's first byte is an ASCII letter. Inputs beginning with an ASCII control character o
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:319f6c12357796868509bc25f7609a4a6ed17208efaa776e81782f3fe70fc94e
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://repo.hex.pm","cpes":["cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Phoenix.LiveView.Utils'"],"packageName":"phoenix_live_view","packageURL":"pkg:hex/phoenix_live_view","product":"phoenix_live_view","programFiles":["lib/phoenix_live_view/utils.ex"],"programRoutines":[{"name":"'Elixir.Phoenix.LiveView.Utils':valid_destination!/2"},{"name":"'Elixir.Phoenix.LiveView.Utils':valid_live_navigation_destination!/2"}],"repo":"https://github.com/phoenixframework/phoenix_live_view","vendor":"phoenixframework","ver…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Phoenix.LiveView.Utils'"],"packageName":"phoenixframework/phoenix_live_view","packageURL":"pkg:github/phoenixframework/phoenix_live_view","product":"phoenix_live_view","programFiles":["lib/phoenix_live_view/utils.ex"],"programRoutines":[{"name":"'Elixir.Phoenix.LiveView.Utils':valid_destination!/2"},{"name":"'Elixir.Phoenix.LiveView.Utils':valid_live_navigation_destination!/2"}],"repo":"https://github.com/phoenixframework/phoenix_live_vi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Phoenix.LiveView.Utils'"],"packageName":"phoenix_live_view","packageURL":"pkg:hex/phoenix_live_view","product":"phoenix_live_view","programFiles":["lib/phoenix_live_view/utils.ex"],"programRoutines":[{"name":"'Elixir.Phoenix.LiveView.Utils':valid_destination!/2"},{"name":"'Elixir.Phoenix.LiveView.Utils':valid_live_navigation_destination!/2"}],"repo":"https://github.com/phoenixframework/phoenix_live_view","vendor":"phoenixframework","ver…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:phoenixframework:phoenix_live_view:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Phoenix.LiveView.Utils'"],"packageName":"phoenixframework/phoenix_live_view","packageURL":"pkg:github/phoenixframework/phoenix_live_view","product":"phoenix_live_view","programFiles":["lib/phoenix_live_view/utils.ex"],"programRoutines":[{"name":"'Elixir.Phoenix.LiveView.Utils':valid_destination!/2"},{"name":"'Elixir.Phoenix.LiveView.Utils':valid_live_navigation_destination!/2"}],"repo":"https://github.com/phoenixframework/phoenix_live_vi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:H/SI:H/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:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /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:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-58228.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/phoenixframework/phoenix_live_view/commit/86165533e311469a1b62093fd182d9d874de8106"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/references/3
{"tags":["exploit"],"url":"https://github.com/phoenixframework/phoenix_live_view/security/advisories/GHSA-5cgh-g58j-m9cq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/adp/0/references/0
{"tags":["vendor-advisory","related"],"url":"https://github.com/phoenixframework/phoenix_live_view/security/advisories/GHSA-5cgh-g58j-m9cq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-58228"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bd1d81df2e24418b158809be67fd846055a21f5dea571755170c0ddd84ea3131 · sha256:3ea82e982fa33fe0… · /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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