CVE-2017-20267
CVE-2017-20267 is a high-severity vulnerability with a CVSS 3.x base score of 8.2. 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-89.
Key facts
- Severity: High (CVSS 3.x base score 8.2)
- CVSS v4: 8.8
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2017-18994
- Weakness: CWE-89
- Published:
- Last modified:
Description
Joomla! Component Calendar Planner 1.0.1 contains an SQL injection vulnerability that allows unauthenticated attackers to inject SQL commands through the category_id parameter. Attackers can send GET requests to the events view with malicious SQL code in the category_id parameter to extract sensitive database information.
Frequently asked questions
- What is CVE-2017-20267?
- Joomla! Component Calendar Planner 1.0.1 contains an SQL injection vulnerability that allows unauthenticated attackers to inject SQL commands through the category_id parameter. Attackers can send GET requests to the events view with malicious SQL code in the category_id parameter to extract sensitive database information.
- How severe is CVE-2017-20267?
- CVE-2017-20267 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2017-20267 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2017-20267?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2017-20267 have an EU (EUVD) identifier?
- Yes. CVE-2017-20267 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18994.
- When was CVE-2017-20267 published?
- CVE-2017-20267 was published on 2026-06-19 and last updated on 2026-06-22.
References
- http://joomlathat.com/
- https://extensions.joomla.org/extensions/extension/calendars-a-events/events/calendar-planner/
- https://www.exploit-db.com/exploits/42501
- https://www.vulncheck.com/advisories/joomla-component-calendar-planner-sql-injection
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