{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4089", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-03-12T21:03:18.626Z", "datePublished": "2026-04-22T07:45:35.056Z", "dateUpdated": "2026-04-22T14:05:17.972Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-22T07:45:35.056Z"}, "affected": [{"vendor": "johnnie2u", "product": "Twittee Text Tweet", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.0.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Twittee Text Tweet plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute in all versions up to and including 1.0.8. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. The ttt_twittee_tweeter() function uses extract() to pull shortcode attributes into local variables and then directly concatenates them into HTML output without any escaping. Specifically, the $id parameter is inserted into an HTML id attribute context without esc_attr(), allowing an attacker to break out of the attribute and inject arbitrary HTML event handlers. Additionally, the $tweet, $content, $balloon, and $theme attributes are similarly injected into inline JavaScript without escaping (lines 87, 93, 101, 117). 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": "Twittee Text Tweet <= 1.0.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'id' Shortcode Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4d678e97-f466-4640-83ee-a3a24550e8d8?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tweet.php#L87"}, {"url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-text-tweet.php#L87"}, {"url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tweet.php#L55"}, {"url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-text-tweet.php#L55"}], "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": "zakaria"}], "timeline": [{"time": "2026-04-21T19:07:17.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-22T14:04:45.797152Z", "id": "CVE-2026-4089", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-22T14:05:17.972Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Twittee Text Tweet plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'id' shortcode attribute in all versions up to and including 1.0.8. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. The ttt_twittee_tweeter() function uses extract() to pull shortcode attributes into local variables and then directly concatenates them into HTML output without any escaping. Specifically, the $id parameter is inserted into an HTML id attribute context without esc_attr(), allowing an attacker to break out of the attribute and inject arbitrary HTML event handlers. Additionally, the $tweet, $content, $balloon, and $theme attributes are similarly injected into inline JavaScript without escaping (lines 87, 93, 101, 117). 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-2026-4089", "lastModified": "2026-04-22T09:16:22.713", "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": "2026-04-22T09:16:22.713", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-text-tweet.php#L55"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/tags/1.0.8/ttt-twittee-text-tweet.php#L87"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tweet.php#L55"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/twittee-text-tweet/trunk/ttt-twittee-text-tweet.php#L87"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/4d678e97-f466-4640-83ee-a3a24550e8d8?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.8]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}]}, "product": "twittee_text_tweet", "vendor": "johnnie2u"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-22T09:53:21.295358+00:00", "value": {"mitigation_remediation": ["Update Twittee Text Tweet to a version that removes the XSS flaw, if one is available.", "If an updated version is not available, either uninstall the plugin or block its shortcode usage for non\u2011administrator roles.", "Restrict Contributor and lower roles from creating or editing posts that include the plugin\u2019s shortcode, or force administrators to review such content before publication.", "As a last resort, edit the plugin\u2019s ttt_twittee_tweeter() function (or create a child filter) so that all shortcode attributes are passed through WordPress esc_attr() and esc_js() before output."], "summary": {"action": "Patch", "impact": "Stored Cross\u2011Site Scripting (XSS)"}, "threat_synthesis": {"affected_systems": "The vulnerability exists in the Twittee Text Tweet WordPress plugin developed by johnnie2u. All releases up to and including version 1.0.8 are affected; newer releases are not covered by this advisory. WordPress sites that have installed the plugin and grant contributor\u2011level access to write or edit posts containing the shortcode are at risk.", "description_and_impact": "The Twittee Text Tweet plugin contains a stored XSS flaw caused by unsanitized shortcode attributes. When an attacker supplies a specially crafted value for the 'id' attribute, the plugin inserts it directly into an HTML id context and inline JavaScript without escaping, allowing the attacker to break out of the attribute and inject executable scripts that run for any user who views a page containing the shortcode. Only users with Contributor or higher privileges can create or edit the content that triggers the shortcode, so the vulnerability is limited to authenticated authors, but the compromise scope extends to all visitors loading affected pages.", "risk_and_exploitability": "The vulnerability has a CVSS score of 6.4, indicating moderate severity. EPSS data is not available and the issue is not listed in the CISA Known Exploited Vulnerabilities catalog. Exploitation requires the attacker to be authenticated with at least Contributor permissions, but once installed the malicious script executes automatically for any user who views the affected content, providing widespread impact while restricting initial access to authenticated contributors. The lack of a public exploit and moderate CVSS score suggest the risk is real but not immediately critical, yet the capability to impact all site visitors warrants prompt remediation."}}}}, "created": "2026-04-22T10:00:10.250611+00:00", "updated": "2026-04-22T11:44:11.271828+00:00", "vendors": ["johnnie2u", "johnnie2u$PRODUCT$twittee_text_tweet", "wordpress", "wordpress$PRODUCT$wordpress"]}