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CVE-2026-15420

The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 5.0.0 via the 'plus_name' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete arbitrary JS/CSS files on the server, which can lead to denial of service or destruction of critical plugin and theme assets.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5222908e5daad70941f497eb7a7bd0b4a2b315c7202787f2d39301fb0f94117f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder","vendor":"posimyththemes","versions":[{"lessThanOrEqual":"5.0.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /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:L/UI:N/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:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/problemTypes/0/descriptions/0

Source references

10 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2710"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2862"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L2985"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.14/classes/tp-registered-blocks.php#L3521"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2710"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2862"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L2985"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/the-plus-addons-for-block-editor/tags/4.7.17/classes/tp-registered-blocks.php#L3521"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3614203%40the-plus-addons-for-block-editor&new=3614203%40the-plus-addons-for-block-editor"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /containers/cna/references/9
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/85550779-fd46-4130-92f1-b291d4e86b21?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3ee6cb72d1ff7e525cc14d11c54f13aaa45845e7eed825f9edade1034853c48 · sha256:b7a6f0fed7b79dd0… · /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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