{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3534", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-03-04T17:29:25.810Z", "datePublished": "2026-03-11T06:45:31.218Z", "dateUpdated": "2026-03-11T06:45:31.218Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-03-11T06:45:31.218Z"}, "affected": [{"vendor": "brainstormforce", "product": "Astra", "versions": [{"version": "*", "status": "affected", "lessThanOrEqual": "4.12.3", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `ast-page-background-meta` and `ast-content-background-meta` post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and missing output escaping in the `astra_get_responsive_background_obj()` function for four CSS-context sub-properties (`background-color`, `background-image`, `overlay-color`, `overlay-gradient`). 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."}], "title": "Astra <= 4.12.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/acf2906b-1ee5-4272-bf6d-36a02023f658?source=cve"}, {"url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/core/common-functions.php#L1640"}, {"url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/core/common-functions.php#L1629"}, {"url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/metabox/class-astra-meta-boxes.php#L1386"}, {"url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/metabox/class-astra-meta-boxes.php#L1380"}, {"url": "https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=316958%40astra%2F4.12.4&old=312219%40astra%2F4.12.3"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "credits": [{"lang": "en", "type": "finder", "value": "Alex Hickey"}], "timeline": [{"time": "2026-03-04T17:45:12.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-03-10T17:27:37.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Astra theme for WordPress is vulnerable to Stored Cross-Site Scripting via the `ast-page-background-meta` and `ast-content-background-meta` post meta fields in all versions up to, and including, 4.12.3. This is due to insufficient input sanitization on meta registration and missing output escaping in the `astra_get_responsive_background_obj()` function for four CSS-context sub-properties (`background-color`, `background-image`, `overlay-color`, `overlay-gradient`). 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."}], "id": "CVE-2026-3534", "lastModified": "2026-03-11T07:16:45.213", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-03-11T07:16:45.213", "references": [{"source": "security@wordfence.com", "url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/core/common-functions.php#L1629"}, {"source": "security@wordfence.com", "url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/core/common-functions.php#L1640"}, {"source": "security@wordfence.com", "url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/metabox/class-astra-meta-boxes.php#L1380"}, {"source": "security@wordfence.com", "url": "https://themes.trac.wordpress.org/browser/astra/4.12.3/inc/metabox/class-astra-meta-boxes.php#L1386"}, {"source": "security@wordfence.com", "url": "https://themes.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=316958%40astra%2F4.12.4&old=312219%40astra%2F4.12.3"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/acf2906b-1ee5-4272-bf6d-36a02023f658?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}