How severe is CVE-2023-51339?

CVE-2023-51339 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-51339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51339?

CVE-2023-51339 affects Phpjabbers Event Ticketing System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51339?

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

Does CVE-2023-51339 have an EU (EUVD) identifier?

Yes. CVE-2023-51339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56060.

When was CVE-2023-51339 published?

CVE-2023-51339 was published on 2025-02-20 and last updated on 2026-06-17.

CVE-2023-51339

CVE-2023-51339 is a medium-severity vulnerability in Phpjabbers Event Ticketing System with a CVSS 3.x base score of 6.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56060
Weakness: CWE-770
Affected product: Phpjabbers Event Ticketing System
Published: 2025-02-20
Last modified: 2026-06-17

Description

A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Event Ticketing System v1.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

Frequently asked questions

What is CVE-2023-51339?: A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Event Ticketing System v1.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.
How severe is CVE-2023-51339?: CVE-2023-51339 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-51339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51339?: CVE-2023-51339 affects Phpjabbers Event Ticketing System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51339 have an EU (EUVD) identifier?: Yes. CVE-2023-51339 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56060.
When was CVE-2023-51339 published?: CVE-2023-51339 was published on 2025-02-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpjabbers:event_ticketing_system:1.0:*:*:*:*:*:*:*

More vulnerabilities in Phpjabbers Event Ticketing System

CVE-2023-51303 — Medium (CVSS 6.1): PHPJabbers Event Ticketing System v1.0 is vulnerable to Multiple HTML Injection in the "lid, name, plugin_sms_api_key,…
CVE-2023-51337 — Medium (CVSS 5.4): PHPJabbers Event Ticketing System v1.0 is vulnerable to Reflected Cross-Site Scripting (XSS) in "lid" parameter in…
CVE-2023-51306 — Medium (CVSS 5.4): PHPJabbers Event Ticketing System v1.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) in the "name, title"…

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