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CVE-2026-48591

Improper Neutralization of Script in Attributes in a Web Page vulnerability in pragdave earmark allows stored cross-site scripting via unescaped HTML attribute values. 'Elixir.Earmark.Transform':_make_att1/2 in lib/earmark/transform.ex splices attribute values verbatim between two literal " bytes: [" ", name, "=\"", value, "\""]. Text nodes are routed through the existing escape function which encodes " as ", but attribute values never visit that path. A markdown link whose URL or title co
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7958fa7938dc422bada75ec24c75ac3e6d4dee4e9968b42849a990aa15f03a11
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:pragdave:earmark:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Earmark.Transform'"],"packageName":"pragdave/earmark","packageURL":"pkg:github/pragdave/earmark","product":"earmark","programFiles":["lib/earmark/transform.ex"],"programRoutines":[{"name":"'Elixir.Earmark.Transform':_make_att1/2"}],"repo":"https://github.com/pragdave/earmark","vendor":"pragdave","versions":[{"lessThan":"*","status":"affected","version":"8236a0570bd894b50e360da08131ec3294c20799","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/affected/1

{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:pragdave:earmark:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Earmark.Transform'"],"packageName":"earmark","packageURL":"pkg:hex/earmark","product":"earmark","programFiles":["lib/earmark/transform.ex"],"programRoutines":[{"name":"'Elixir.Earmark.Transform':_make_att1/2"}],"repo":"https://github.com/pragdave/earmark","vendor":"pragdave","versions":[{"lessThan":"*","status":"affected","version":"1.4.1","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:pragdave:earmark:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Earmark.Transform'"],"packageName":"pragdave/earmark","packageURL":"pkg:github/pragdave/earmark","product":"earmark","programFiles":["lib/earmark/transform.ex"],"programRoutines":[{"name":"'Elixir.Earmark.Transform':_make_att1/2"}],"repo":"https://github.com/pragdave/earmark","vendor":"pragdave","versions":[{"lessThan":"*","status":"affected","version":"8236a0570bd894b50e360da08131ec3294c20799","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/affected/1
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:pragdave:earmark:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Earmark.Transform'"],"packageName":"earmark","packageURL":"pkg:hex/earmark","product":"earmark","programFiles":["lib/earmark/transform.ex"],"programRoutines":[{"name":"'Elixir.Earmark.Transform':_make_att1/2"}],"repo":"https://github.com/pragdave/earmark","vendor":"pragdave","versions":[{"lessThan":"*","status":"affected","version":"1.4.1","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":4.8,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-83","description":"CWE-83 Improper Neutralization of Script in Attributes in a Web Page","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["related","third-party-advisory"],"url":"https://cna.erlef.org/cves/CVE-2026-48591.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-48591"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:19f0eccdbaadcf288c516685ac94c0eb374b66d9c95ddadaf9b21076b11cc719 · sha256:88c424197d388187… · /containers/cna/references/1

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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