What is CVE-2024-53860?

CVE-2024-53860 is a high-severity security vulnerability in spencer14420/sp-php-email-handler (composer), affecting versions < 1.0.0. It is fixed in 1.0.0.

How severe is CVE-2024-53860?

CVE-2024-53860 has a CVSS score of 8.6 (High). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.

Which versions of spencer14420/sp-php-email-handler are affected by CVE-2024-53860?

spencer14420/sp-php-email-handler (composer) versions < 1.0.0 is affected.

Is there a fix for CVE-2024-53860?

Yes. CVE-2024-53860 is fixed in 1.0.0. Upgrade to this version or later.

Is CVE-2024-53860 exploitable, and should I be worried?

Whether CVE-2024-53860 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

What actually determines whether CVE-2024-53860 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

How do I fix CVE-2024-53860?

Upgrade spencer14420/sp-php-email-handler to 1.0.0 or later.

CVE-2024-53860 in spencer14420/sp-php-email-handler

Q: How severe is CVE-2024-53860?

CVE-2024-53860 has a CVSS score of 8.6 (High). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.

Q: Which versions of spencer14420/sp-php-email-handler are affected by CVE-2024-53860?

spencer14420/sp-php-email-handler (composer) versions < 1.0.0 is affected.

Q: Is there a fix for CVE-2024-53860?

Yes. CVE-2024-53860 is fixed in 1.0.0. Upgrade to this version or later.

Q: Is CVE-2024-53860 exploitable, and should I be worried?

Whether CVE-2024-53860 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk.

Q: What actually determines whether CVE-2024-53860 is exploitable, and how bad it is?

Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.

Q: How do I fix CVE-2024-53860?

Upgrade spencer14420/sp-php-email-handler to 1.0.0 or later.

Summary

SPEmailHandler-PHP has Potential Abuse for Sending Arbitrary Emails

Workarounds

There are no workarounds for this issue. Users must upgrade to version 1.0.0 to mitigate the vulnerability.

Impact

Messages sent using this script are vulnerable to abuse, as the script allows anybody to specify arbitrary email recipients and include user-provided content in confirmation emails. This could enable malicious actors to use your server to send spam, phishing emails, or other malicious content, potentially damaging your domain's reputation and leading to blacklisting by email providers.

CVE-2024-53860 has a CVSS score of 8.6 (High). The vector is network-reachable, no privileges required, and no user interaction. A CVSS score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether this affects your application depends on whether the vulnerable code is present and reachable in your environment. A fixed version is available (1.0.0); upgrading removes the vulnerable code path.

Affected versions

spencer14420/sp-php-email-handler (< 1.0.0)

Security releases

spencer14420/sp-php-email-handler → 1.0.0 (composer)

Kodem intelligence

Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.

Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.

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Remediation advice

Patched in version 1.0.0 by removing user-provided content from confirmation emails. All pre-release versions (alpha and beta) are vulnerable to this issue and should not be used.

Frequently Asked Questions

What is CVE-2024-53860? CVE-2024-53860 is a high-severity security vulnerability in spencer14420/sp-php-email-handler (composer), affecting versions < 1.0.0. It is fixed in 1.0.0.
How severe is CVE-2024-53860? CVE-2024-53860 has a CVSS score of 8.6 (High). This score reflects the worst-case severity of the vulnerability, not your specific exposure. Whether it represents real risk in your environment depends on whether the vulnerable code is present and reachable.
Which versions of spencer14420/sp-php-email-handler are affected by CVE-2024-53860? spencer14420/sp-php-email-handler (composer) versions < 1.0.0 is affected.
Is there a fix for CVE-2024-53860? Yes. CVE-2024-53860 is fixed in 1.0.0. Upgrade to this version or later.
Is CVE-2024-53860 exploitable, and should I be worried? Whether CVE-2024-53860 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
What actually determines whether CVE-2024-53860 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
How do I fix CVE-2024-53860? Upgrade spencer14420/sp-php-email-handler to 1.0.0 or later.