PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the…
Priority MEDIUM 47CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
PHP Event Calendar before 2021-09-03 allows SQL injection, as demonstrated by the /server/ajax/user_manager.php username parameter. This can be used to execute SQL statements directly on the database, allowing an adversary in some cases to completely compromise the database system. It can also be used to bypass the login form.
Why it matters now
EPSS 0.02513 84th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kaysongroup:php_event_calendar:*:*:*:*:lite:*:*:* | before 2021-09-03 | Vulnerable | Kaysongroup |
- cpe:2.3:a:kaysongroup:php_event_calendar:*:*:*:*:lite:*:*:* Versions before 2021-09-03 Vulnerable ·Kaysongroup
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-42077
- 2026-10-03 Alias added: GHSA-7jgw-jw8c-v49c
References
Sources
- CVE-2021-42077 · CVE Program
- CVE-2021-42077 · NVD
- FIRST EPSS
- GHSA-7jgw-jw8c-v49c · GitHub Advisory Database · CC BY 4.0
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