CVE-2026-57831 digital-peak.com CVE debrief

Who should care

Defenders responsible for Joomla installations, particularly those using DP Calendar, should assess exposure and prioritize patching or mitigation.

Why it matters

CVE-2026-57831 is a HIGH-severity vulnerability in the DP Calendar Joomla extension, allowing unauthenticated SQL injection. Defenders should prioritize verifying exposure, applying patches or mitigations, and monitoring for potential SQL injection attempts.

• Potential SQL injection attempts may require monitoring and incident response
• Verification of DP Calendar installations and patching or mitigation are necessary
• Exposure to this vulnerability may require updates to inventory and vulnerability management processes

Technical summary

The DP Calendar Joomla extension, versions 8.18.0 through 10.11.2, is vulnerable to an unauthenticated SQL injection attack. This vulnerability has been assigned a CVSS score of 8.7, indicating high severity. The vulnerability exists due to improper sanitization of user input, allowing attackers to inject malicious SQL queries. This could lead to unauthorized data access or manipulation. The technical impact includes potential data breaches, system compromise, and disruption of service. Defenders should prioritize verifying exposure of DP Calendar installations,

Defensive priority

Defenders should prioritize verifying exposure of DP Calendar installations and applying patches or mitigations.

Recommended defensive actions

• Verify DP Calendar installations for exposure
• Apply patches or mitigations
• Monitor for potential SQL injection attempts

Evidence notes

The CVE record (CVE-2026-57831) and NVD entry (https://nvd.nist.gov/vuln/detail/CVE-2026-57831) provide official details on the vulnerability. Additional information from [email protected] and source reference 134c704f-9b21-4f2e-91b3-4a467353bcc0 may be relevant. However, the current information on affected versions and specific remediation steps is limited. Defenders should verify exposure and monitor for potential SQL injection attempts. The evidence is based on the CVE and NVD

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.