CVE Explorer

CVE-2026-12583

The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:74619a4ffa42187ea1fc9c6f8425f006366107336e3fbbdcea14dbf4cdfbd9e6

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Newsletters","vendor":"Unknown","versions":[{"lessThan":"4.15","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/adp/0/metrics/0/cvssV3_1

CWE assertions

2 source assertions

{"cweId":"CWE-502","description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/adp/0/problemTypes/0/descriptions/0

{"description":"CWE-502 Deserialization of Untrusted Data","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"tags":["exploit","vdb-entry","technical-description"],"url":"https://wpscan.com/vulnerability/e4c44105-f43d-4dff-8487-7d8ae2691c4e/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:b2c67719b09202010443b4c4ea3eed06a0857f45c59f9e1d4f6ee13360facc69 · sha256:34c3b2df4601b5b4… · /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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