How severe is CVE-2024-5312?

CVE-2024-5312 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-5312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-5312?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-5312 have an EU (EUVD) identifier?

Yes. CVE-2024-5312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1779.

When was CVE-2024-5312 published?

CVE-2024-5312 was published on 2024-05-24 and last updated on 2026-06-17.

CVE-2024-5312

CVE-2024-5312 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1779
Weakness: CWE-79
Published: 2024-05-24
Last modified: 2026-06-17

Description

PHP Server Monitor, version 3.2.0, is vulnerable to an XSS via the /phpservermon-3.2.0/vendor/phpmailer/phpmailer/test_script/index.php page in all visible parameters. An attacker could create a specially crafted URL, send it to a victim and retrieve their session details.

Frequently asked questions

What is CVE-2024-5312?: PHP Server Monitor, version 3.2.0, is vulnerable to an XSS via the /phpservermon-3.2.0/vendor/phpmailer/phpmailer/test_script/index.php page in all visible parameters. An attacker could create a specially crafted URL, send it to a victim and retrieve their session details.
How severe is CVE-2024-5312?: CVE-2024-5312 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-5312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-5312?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-5312 have an EU (EUVD) identifier?: Yes. CVE-2024-5312 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1779.
When was CVE-2024-5312 published?: CVE-2024-5312 was published on 2024-05-24 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/cross-site-scripting-vulnerability-php-server-monitor

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