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CVE-2026-3907

The Hostel plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wphostel-book' shortcode in all versions up to and including 1.1.7. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, the second shortcode attribute (used as button text) is passed to the `$text` variable without sanitization at line 79 and then output directly into an HTML `value` attribute at line 91 without `esc_attr()` or any other escapi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:99a1d69f0cd072cc810023a5d347ce6de146d0c42b30515049b97d90f1670013
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Hostel","vendor":"prasunsen","versions":[{"lessThanOrEqual":"1.1.7","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /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:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /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:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/problemTypes/0/descriptions/0

Source references

8 source assertions
{"url":"https://plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/controllers/shortcodes.php#L79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/5
{"url":"https://plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/controllers/shortcodes.php#L91"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/hostel/tags/1.1.6/models/hostel.php#L195"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/hostel/trunk/controllers/shortcodes.php#L79"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/browser/hostel/trunk/controllers/shortcodes.php#L91"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/hostel/trunk/models/hostel.php#L195"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/6
{"url":"https://plugins.trac.wordpress.org/changeset?reponame=&old=3480942%40hostel&new=3480942%40hostel"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /containers/cna/references/7
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/30339c0d-6632-4073-b4d5-3bb4a5b8a58d?source=cve"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:52036d7bc94f8e57c2a2f1dd43b178c1b588a223e9130220086d58b5367705ee · sha256:1b246ec76f3ee4ef… · /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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