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CVE-2026-13458

The GenerateBlocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Dynamic Tag Injection in HTML Attributes in all versions up to, and including, 2.3.0 due to insufficient input sanitization and output escaping. 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. A Contributor-level attacker can store the malicious payload by placing
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:34917feaa3f3d97414ba166cbd9670dcd2e06c03c21cd78d2e270c0ba20d0734
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"GenerateBlocks","vendor":"edge22","versions":[{"lessThanOrEqual":"2.3.0","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /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:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /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:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/problemTypes/0/descriptions/0

Source references

10 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.2.1/includes/dynamic-tags/class-dynamic-tag-callbacks.php#L388"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/7
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.2.1/includes/dynamic-tags/class-register-dynamic-tag.php#L196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.2.1/includes/functions.php#L2145"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.2.1/includes/general.php#L689"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/8
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.3.0/includes/dynamic-tags/class-dynamic-tag-callbacks.php#L388"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.3.0/includes/dynamic-tags/class-register-dynamic-tag.php#L196"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.3.0/includes/functions.php#L2145"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/generateblocks/tags/2.3.0/includes/general.php#L689"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3625942%40generateblocks&new=3625942%40generateblocks"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /containers/cna/references/9
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/402e10b4-84f0-4f93-a85c-037876d26e58?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b7d2c0a04fe65a1278eeb16b247eca06d28d46e985c366428fba1303c79d826d · sha256:39f450b0dc8ac505… · /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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