CVE-2023-47609

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-14 · updated 2026-06-17
Weakness: CWE-89

Description

SQL injection vulnerability in OSS Calendar versions prior to v.2.0.3 allows a remote authenticated attacker to execute arbitrary code or obtain and/or alter the information stored in the database by sending a specially crafted request.

Affected products

Thinkingreed Inc. OSS Calendar: before 2.0.3 — fixed in 2.0.3

How to fix

Upgrade to a fixed version: Thinkingreed Inc. OSS Calendar 2.0.3. Check the vendor advisory for mitigations.

References

https://jvn.jp/en/jp/JVN67822421/
https://oss-calendar.com/news/20231113/
https://jvn.jp/en/jp/JVN67822421/
https://oss-calendar.com/news/20231113/

Get alerted when CVE-2023-47609 or the next vulnerability affects your stack