Security readout for executives and security teams
This issue can let an unauthenticated attacker repeatedly trigger email-sending functions in PHPJabbers Event Booking Calendar v4.0. The main business risk is service disruption, mailbox flooding, mail quota exhaustion, or reputational impact from excessive system emails. Exposure is most likely where PHPJabbers Event Booking Calendar v4.0 is internet-facing and its password reset or email settings functions are reachable without throttling. Treat as a high-priority availability issue for exposed booking systems, especially where email reliability or brand trust matters. It is not described as data theft or code execution. Mitigation focus: Check PHPJabbers guidance for an update, patch, or official mitigation.; Inventory deployments and prioritize any confirmed v4.0 instances.; Reduce public exposure to affected email-triggering forms where operationally possible..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-51293 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.phpjabbers.com/event-booking-calendar/#sectionDemoCVE reference
- https://packetstorm.news/files/id/176495CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Uncontrolled Resource Consumption
Uncontrolled Resource Consumption represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.