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CVE-2026-26483

Mettle SendPortal 3.0.1 and earlier contains a stored cross-site scripting (XSS) vulnerability in the template management functionality. The application fails to properly sanitize user-supplied input in the content parameter of the /templates endpoint, allowing an attacker to persistently inject malicious JavaScript code that is executed in the browsers of users who access the affected template.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ec3b70ebe7856f36c73650d64718fd11c6cbde5a6c9f41762472a79c8861c2d4
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

{"description":"n/a","lang":"en","type":"text"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/cna/problemTypes/0/descriptions/0

{"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:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/adp/0/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"description":"n/a","lang":"en","type":"text"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/cna/problemTypes/0/descriptions/0
{"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:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/adp/0/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"https://gist.github.com/WinBlah12/8dbc1eae788945c6ea6ab1a2cdfd7cb1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /containers/cna/references/1
{"url":"https://github.com/mettle/sendportal"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:274a3f7582466c36c7cc0eb771b7e55639067e613c3816fee234873a99a88ba8 · sha256:af9cdbf1199c20b0… · /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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