CVE Explorer

CVE-2026-2433

The RSS Aggregator – RSS Import, News Feeds, Feed to Post, and Autoblogging plugin for WordPress is vulnerable to DOM-Based Cross-Site Scripting via postMessage in all versions up to, and including, 5.0.11. This is due to the plugin's admin-shell.js registering a global message event listener without origin validation (missing event.origin check) and directly passing user-controlled URLs to window.open() without URL scheme validation. This makes it possible for unauthenticated attackers to execu

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:461625156e8d4ff69bae6f5a4f3ec1ed41f3154f1a1851a2f6defaab4cbe70e1

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"RSS Aggregator – RSS Import, News Feeds, Feed to Post, and Autoblogging","vendor":"rebelcode","versions":[{"lessThanOrEqual":"5.0.11","status":"affected","version":"0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":6.1,"baseSeverity":"MEDIUM","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:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"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:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/problemTypes/0/descriptions/0

Source references

6 source assertions

{"url":"https://plugins.trac.wordpress.org/browser/wp-rss-aggregator/tags/5.0.10/core/js/admin-shell.js#L153"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/references/4

{"url":"https://plugins.trac.wordpress.org/browser/wp-rss-aggregator/tags/5.0.10/core/js/admin-shell.js#L58"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/references/2

{"url":"https://plugins.trac.wordpress.org/browser/wp-rss-aggregator/trunk/core/js/admin-shell.js#L153"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/references/3

{"url":"https://plugins.trac.wordpress.org/browser/wp-rss-aggregator/trunk/core/js/admin-shell.js#L58"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/references/1

{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3473511%40wp-rss-aggregator%2Ftrunk&old=3439393%40wp-rss-aggregator%2Ftrunk&sfp_email=&sfph_mail="}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /containers/cna/references/5

{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/311960e7-c4b4-4638-980f-1e08ffa621ba?source=cve"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:62b3823c4d75ba52c8114afc51608b4fb5230003c615c559eec7ed58b229789a · sha256:a637102aad38800b… · /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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