CVE-2018-18872
CVE-2018-18872 is a medium-severity vulnerability in Kieranoshea Calendar with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Kieranoshea Calendar
- Published:
- Last modified:
Description
The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.
Frequently asked questions
- What is CVE-2018-18872?
- The Kieran O'Shea Calendar plugin before 1.3.11 for WordPress has Stored XSS via the event_title parameter in a wp-admin/admin.php?page=calendar add action, or the category name during category creation at the wp-admin/admin.php?page=calendar-categories URI.
- How severe is CVE-2018-18872?
- CVE-2018-18872 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2018-18872 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2018-18872?
- CVE-2018-18872 affects Kieranoshea Calendar. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2018-18872?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2018-18872 published?
- CVE-2018-18872 was published on 2019-05-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:kieranoshea:calendar:*:*:*:*:*:wordpress:*:*
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