CVE-2023-51308

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2025-02-20. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PHPJabbers Car Park Booking System v3.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
43(Track)
EG Risk 43/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
26.3%
KEV
Not listed

Published

February 20, 2025

Last Modified

November 4, 2025

References (3)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 02:29 UTCEG score recompute
  2. 2026-07-22 23:15 UTCEG score recompute
  3. 2026-07-22 14:06 UTCEPSS rescore
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  64. 2026-05-30 11:28 UTCEG score recompute
  65. 2026-05-30 11:28 UTCGHSA enrichment
  66. 2026-05-29 13:43 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-51308?
CVE-2023-51308 is a medium vulnerability published on February 20, 2025. PHPJabbers Car Park Booking System v3.0 is vulnerable to Multiple HTML Injection in the "name, pluginsmsapikey, pluginsmscountrycode, title, pluginsmsapi_key, title" parameters.
When was CVE-2023-51308 disclosed?
CVE-2023-51308 was first published in the National Vulnerability Database on February 20, 2025, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-51308 actively exploited?
CVE-2023-51308 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-51308?
CVE-2023-51308 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2023-51308?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-51308, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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