CVE Explorer

CVE-2025-9891

The User Sync – Remote User Sync plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.2. This is due to missing or incorrect nonce validation on the mo_user_sync_form_handler() function. This makes it possible for unauthenticated attackers to deactivate the plugin via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3ea97fddf4416c47b45d82028030bd18ccbcba6cfc3f524b2862ea36931f9597

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"User Sync","vendor":"cyberlord92","versions":[{"lessThanOrEqual":"1.0.2","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-352","description":"CWE-352 Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/user-sync/tags/1.0.1/mo-user-sync-main.php#L118"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3360328%40user-sync&new=3360328%40user-sync&sfp_email=&sfph_mail="}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /containers/cna/references/2

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6b60777e-6e07-42bd-9364-43367e209227?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:553af3938f98b5ef238900ae18034a131b7f98d05c9fa1d94f303a2c2a035218 · sha256:f375bdaafcc4f174… · /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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