{"api_version":"1","generated_at":"2026-05-12T11:06:11+00:00","cve":"CVE-2026-5340","urls":{"html":"https://cve.report/CVE-2026-5340","api":"https://cve.report/api/cve/CVE-2026-5340.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-5340","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-5340"},"summary":{"title":"Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","description":"The Fancy Image Show plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `fancy-img-show` shortcode in all versions up to, and including, 9.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","state":"PUBLISHED","assigner":"Wordfence","published_at":"2026-05-12 09:16:54","updated_at":"2026-05-12 09:16:54"},"problem_types":["CWE-79","CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"],"metrics":[{"version":"3.1","source":"security@wordfence.com","type":"Primary","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"6.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","data":{"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"}}],"references":[{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L117","name":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L117","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L178","name":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L178","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/131d07ad-4e87-4137-a5df-2b74db1e9ae8?source=cve","name":"https://www.wordfence.com/threat-intel/vulnerabilities/id/131d07ad-4e87-4137-a5df-2b74db1e9ae8?source=cve","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/trunk/fancy-image-show.php#L178","name":"https://plugins.trac.wordpress.org/browser/fancy-image-show/trunk/fancy-image-show.php#L178","refsource":"security@wordfence.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-5340","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-5340","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"gopi_plus","product":"Fancy Image Show","version":"affected 9.1 semver","platforms":[]}],"timeline":[{"source":"CNA","time":"2026-05-11T19:03:52.000Z","lang":"en","value":"Disclosed"}],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Djaidja Moundjid","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Fancy Image Show","vendor":"gopi_plus","versions":[{"lessThanOrEqual":"9.1","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Djaidja Moundjid"}],"descriptions":[{"lang":"en","value":"The Fancy Image Show plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `fancy-img-show` shortcode in all versions up to, and including, 9.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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."}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-12T07:48:17.797Z","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","shortName":"Wordfence"},"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/131d07ad-4e87-4137-a5df-2b74db1e9ae8?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/trunk/fancy-image-show.php#L178"},{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L178"},{"url":"https://plugins.trac.wordpress.org/browser/fancy-image-show/tags/9.1/fancy-image-show.php#L117"}],"timeline":[{"lang":"en","time":"2026-05-11T19:03:52.000Z","value":"Disclosed"}],"title":"Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes"}},"cveMetadata":{"assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","assignerShortName":"Wordfence","cveId":"CVE-2026-5340","datePublished":"2026-05-12T07:48:17.797Z","dateReserved":"2026-04-01T14:16:23.792Z","dateUpdated":"2026-05-12T07:48:17.797Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-12 09:16:54","lastModifiedDate":"2026-05-12 09:16:54","problem_types":["CWE-79","CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"],"metrics":{"cvssMetricV31":[{"source":"security@wordfence.com","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":2.7}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"5340","Ordinal":"1","Title":"Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cr","CVE":"CVE-2026-5340","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"5340","Ordinal":"1","NoteData":"The Fancy Image Show plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `fancy-img-show` shortcode in all versions up to, and including, 9.1 due to insufficient input sanitization and output escaping on user supplied attributes. 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.","Type":"Description","Title":"Fancy Image Show <= 9.1 - Authenticated (Contributor+) Stored Cr"}]}}}