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CVE-2026-3228

The NextScripts: Social Networks Auto-Poster plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `[nxs_fbembed]` shortcode in all versions up to, and including, 4.4.6. This is due to insufficient input sanitization and output escaping on the `snapFB` post meta value. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6d379a8e404a57874c040a57b1f93f63134d5a7bed7f79a7ed4f409de09bda01
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"NextScripts: Social Networks Auto-Poster","vendor":"nextscripts","versions":[{"lessThanOrEqual":"4.4.6","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":6.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /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:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/tags/4.4.6/inc-cl/fb.php#L581"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/social-networks-auto-poster-facebook-twitter-g/trunk/inc-cl/fb.php#L581"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/changeset/3470727/social-networks-auto-poster-facebook-twitter-g/trunk/inc-cl/fb.php"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /containers/cna/references/3
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/923c51ba-0ec2-4e32-a86e-404f3fe2ac7c?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0c1c63e59b58d19b899a85bf88c9b15ff683852adc1f769234656ad15c6d4639 · sha256:def508025729599a… · /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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