CVE Explorer
CVE-2026-2559
The Post SMTP plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `handle_office365_oauth_redirect()` function in all versions up to, and including, 3.8.0. This is due to the function being hooked to `admin_init` without any `current_user_can()` check or nonce verification. This makes it possible for authenticated attackers, with Subscriber-level access and above, to overwrite the site's Office 365 OAuth mail configuration (access toke
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App","vendor":"saadiqbal","versions":[{"lessThanOrEqual":"3.8.0","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-862","description":"CWE-862 Missing Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/problemTypes/0/descriptions/0
Source references
4 source assertions{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Wizard/NewWizard.php#L104"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/post-smtp/trunk/Postman/Wizard/NewWizard.php#L2109"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/changeset/3484515/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /containers/cna/references/3
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/323436b5-fbfe-4923-8b08-93c1fcabc016?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3c73c47923bad9a27b24730cae8cf2d33bb4363e2e8aaf2efca7564634d6570a · sha256:844c313a44fba816… · /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.