CVE-2026-2021

{"id": "CVE-2026-2021", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-2021", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-18T15:53:39.270656Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@wordfence.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 3.1}]}, "affected": [{"source": "security@wordfence.com", "affectedData": [{"vendor": "contrid", "product": "Slideshow Gallery LITE", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.8.5"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-18T13:25:33.917", "references": [{"url": "https://plugins.trac.wordpress.org/browser/slideshow-gallery/tags/1.8.5/slideshow-gallery.php#L558", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/slideshow-gallery/tags/1.8.5/views/default/gallery.php#L192", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/slideshow-gallery/trunk/slideshow-gallery.php#L558", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/browser/slideshow-gallery/trunk/views/default/gallery.php#L192", "source": "security@wordfence.com"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3567787%40slideshow-gallery&new=3567787%40slideshow-gallery&sfp_email=&sfph_mail=", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/55d842fc-a750-4b59-a1d6-b3bd427dfe79?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The Slideshow Gallery LITE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'alwaysauto' shortcode attribute in all versions up to, and including, 1.8.5. This is 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."}], "lastModified": "2026-06-18T17:16:29.900", "sourceIdentifier": "security@wordfence.com"}