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NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-10033.",0.97738,{"cveId":185,"description":186,"publishedDate":187,"cvssScore":188,"cvssVersion":177,"severity":189,"isKev":17,"epssScore":190},"CVE-2020-13625","PHPMailer before 6.1.6 contains an output escaping bug when the name of a file attachment contains a double quote character. This can result in the file type being misinterpreted by the receiver or any mail relay processing the message.","2020-06-08",7.5,"High",0.0378,{"cveId":192,"description":193,"publishedDate":194,"cvssScore":176,"cvssVersion":177,"severity":178,"isKev":17,"epssScore":195},"CVE-2020-36326","PHPMailer 6.1.8 through 6.4.0 allows object injection through Phar Deserialization via addAttachment with a UNC pathname. NOTE: this is similar to CVE-2018-19296, but arose because 6.1.8 fixed a functionality problem in which UNC pathnames were always considered unreadable by PHPMailer, even in safe contexts. As an unintended side effect, this fix eliminated the code that blocked addAttachment exploitation.","2021-04-28",0.03095,{"cveId":197,"description":198,"publishedDate":199,"cvssScore":200,"cvssVersion":177,"severity":189,"isKev":17,"epssScore":201},"CVE-2021-34551","PHPMailer before 6.5.0 on Windows allows remote code execution if lang_path is untrusted data and has a UNC pathname.","2021-06-16",8.1,0.02803,{"cveId":203,"description":204,"publishedDate":205,"cvssScore":206,"cvssVersion":207,"severity":208,"isKev":17,"epssScore":209},"CVE-2017-11503","PHPMailer 5.2.23 has XSS in the \"From Email Address\" and \"To Email Address\" fields of code_generator.php.","2017-07-20",6.1,"v3.0","Medium",0.024,{"cveId":211,"description":212,"publishedDate":12,"cvssScore":200,"cvssVersion":177,"severity":189,"isKev":17,"epssScore":213},"CVE-2021-3603","PHPMailer 6.4.1 and earlier contain a vulnerability that can result in untrusted code being called (if such code is injected into the host project's scope by other means). If the $patternselect parameter to validateAddress() is set to 'php' (the default, defined by PHPMailer::$validator), and the global namespace contains a function called php, it will be called in preference to the built-in validator of the same name. Mitigated in PHPMailer 6.5.0 by denying the use of simple strings as validator function names.",0.0226,{"cveId":215,"description":216,"publishedDate":217,"cvssScore":218,"cvssVersion":177,"severity":189,"isKev":17,"epssScore":219},"CVE-2018-19296","PHPMailer before 5.2.27 and 6.x before 6.0.6 is vulnerable to an object injection attack.","2018-11-16",8.8,0.02229,{"cveId":221,"description":222,"publishedDate":223,"cvssScore":224,"cvssVersion":207,"severity":208,"isKev":17,"epssScore":225},"CVE-2017-5223","An issue was discovered in PHPMailer before 5.2.22. PHPMailer's msgHTML method applies transformations to an HTML document to make it usable as an email message body. One of the transformations is to convert relative image URLs into attachments using a script-provided base directory. If no base directory is provided, it resolves to \u002F, meaning that relative image URLs get treated as absolute local file paths and added as attachments. To form a remote vulnerability, the msgHTML method must be called, passed an unfiltered, user-supplied HTML document, and must not set a base directory.","2017-01-16",5.5,0.02143,{"cveId":227,"description":228,"publishedDate":229,"cvssScore":230,"cvssVersion":231,"severity":208,"isKev":17,"epssScore":232},"CVE-2015-8476","Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2) SMTP command to the sendCommand function in class.smtp.php, a different vulnerability than CVE-2012-0796.","2015-12-16",5,"v2",0.01988,[234],{"cveId":173,"description":174,"publishedDate":175,"cvssScore":176,"severity":178,"isKev":4,"epssScore":179,"cisaVulnName":235,"cisaDateAdded":236,"cisaShortDescription":237,"cisaRequiredAction":238},"PHPMailer Command Injection Vulnerability","2025-07-07","PHPMailer contains a command injection vulnerability because it fails to sanitize user-supplied input. Specifically, this issue affects the 'mail()' function of 'class.phpmailer.php' script. An attacker can exploit this issue to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition.","Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",{"title":240,"metaDescription":241,"keywords":242,"structuredData":243},"Phpmailer by Phpmailer Project - Security Vulnerabilities & Analysis | Precursor Intelligence","Comprehensive security analysis for Phpmailer by Phpmailer Project covering 51 versions with 10 tracked vulnerabilities including 1 critical and 0 high-severity issues and 1 CISA KEV vulnerability. Real-time threat intelligence, CVE tracking, and security recommendations.","Phpmailer vulnerabilities, Phpmailer security, Phpmailer CVE, Phpmailer Project Phpmailer, Phpmailer threat intelligence, Phpmailer Project security, product security analysis, cybersecurity threats, vulnerability management, CVE tracking, Phpmailer KEV, Phpmailer exploited vulnerabilities",{"@context":244,"@type":245,"name":246,"description":241,"url":247,"manufacturer":248,"applicationCategory":252,"softwareVersion":253,"mainEntity":254},"https:\u002F\u002Fschema.org","SoftwareApplication","Phpmailer","https:\u002F\u002Fprecursorintelligence.com\u002Fvulnerabilities\u002Ftechnologies\u002Fvendors\u002Fphpmailer_project\u002Fphpmailer",{"@type":249,"name":250,"url":251},"Organization","Phpmailer Project","https:\u002F\u002Fprecursorintelligence.com\u002Fvendors\u002Fphpmailer_project","Security Software","51 versions tracked",{"@type":255,"name":256,"description":257,"vulnerabilityCount":10,"dateModified":12},"SecurityVulnerability","Phpmailer Security Vulnerabilities","Security vulnerabilities affecting Phpmailer by Phpmailer Project",{"totalVersions":9,"totalVulnerabilities":10,"kevVulnerabilities":11,"lastUpdated":12,"generatedAt":259,"apiVersion":260},"2026-10-17T22:36:22.563Z","3.0",[],{"rows":263,"total":11,"capped":17,"failed":16},[264],{"cveId":173,"name":235,"severity":178,"cvss":176,"added":236,"epss":179,"published":265,"ranges":266,"checked":4,"hits":268,"covers":17},"2016-12-30T19:59:00.137",[267],"before 5.2.18",[]]