How severe is CVE-2023-51303?

CVE-2023-51303 has a CVSS 3.x base score of 6.1, 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 none.

Is CVE-2023-51303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51303?

CVE-2023-51303 affects Phpjabbers Event Ticketing System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51303?

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

Does CVE-2023-51303 have an EU (EUVD) identifier?

Yes. CVE-2023-51303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56024.

When was CVE-2023-51303 published?

CVE-2023-51303 was published on 2025-02-19 and last updated on 2026-06-17.

CVE-2023-51303

CVE-2023-51303 is a medium-severity vulnerability in Phpjabbers Event Ticketing System with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56024
Weakness: CWE-79
Affected product: Phpjabbers Event Ticketing System
Published: 2025-02-19
Last modified: 2026-06-17

Description

PHPJabbers Event Ticketing System v1.0 is vulnerable to Multiple HTML Injection in the "lid, name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

Frequently asked questions

What is CVE-2023-51303?: PHPJabbers Event Ticketing System v1.0 is vulnerable to Multiple HTML Injection in the "lid, name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.
How severe is CVE-2023-51303?: CVE-2023-51303 has a CVSS 3.x base score of 6.1, 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 none.
Is CVE-2023-51303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51303?: CVE-2023-51303 affects Phpjabbers Event Ticketing System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51303?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-51303 have an EU (EUVD) identifier?: Yes. CVE-2023-51303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56024.
When was CVE-2023-51303 published?: CVE-2023-51303 was published on 2025-02-19 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-2023-51339 — Medium (CVSS 6.5): A lack of rate limiting in the 'Forgot Password' feature of PHPJabbers Event Ticketing System v1.0 allows attackers to…
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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