Secuno
ENNL
Book demo

CVE-2017-20267

Joomla Calendar Planner SQL injection

8.2 HIGHPublic exploitEPSS 0.49%
  1. Published19 Jun 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected products

Joomla Calendar Planner1.0.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-893028.6
The Post Voting System WordPress plugin through 1.0 does not properly sanitize and…
CVE-2026-892998.6
The WP Verify API WordPress plugin through 1.0.0 does not properly sanitize and escape…
CVE-2026-892978.6
The Loja Automática WordPress plugin through 1.0.0 does not properly sanitize and…
CVE-2026-892878.6
The ASPL Product Quotation WordPress plugin through 1.1.0 does not sanitize and escape…
CVE-2026-892858.6
The Datalist it WordPress plugin through 0.0.3 does not sanitize and escape several…
CVE-2026-892348.6
The WP-Partner WordPress plugin through 1.2.1 does not sanitise and escape a parameter…

Frequently asked

Is CVE-2017-20267 being actively exploited?

CVE-2017-20267 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.49%.

How severe is CVE-2017-20267?

CVE-2017-20267 has a CVSS 3.1 base score of 8.2, rated high. EPSS estimates a 0.49% probability of exploitation.

Which products are affected by CVE-2017-20267?

Affected products include Joomla Calendar Planner.

How do I fix CVE-2017-20267?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2017-20267 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.