CVE-2023-4188
CVE-2023-4188 is a critical-severity vulnerability in Instantcms with a CVSS 3.x base score of 9.1. 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: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-89
- Affected product: Instantcms
- Published:
- Last modified:
Description
SQL Injection in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
Frequently asked questions
- What is CVE-2023-4188?
- SQL Injection in GitHub repository instantsoft/icms2 prior to 2.16.1-git.
- How severe is CVE-2023-4188?
- CVE-2023-4188 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2023-4188 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-4188?
- CVE-2023-4188 affects Instantcms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-4188?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-4188 published?
- CVE-2023-4188 was published on 2023-08-05 and last updated on 2026-06-17.
References
- https://github.com/instantsoft/icms2/commit/1dbc3e6c8fbf5d2dc551cb27fad0de3584dee40f
- https://huntr.dev/bounties/fe9809b6-40ad-4e81-9197-a9aa42e8a7bf
Affected products (1)
- cpe:2.3:a:instantcms:instantcms:*:*:*:*:*:*:*:*
More vulnerabilities in Instantcms
- CVE-2013-10051 — Critical (CVSS 9.8): A remote PHP code execution vulnerability exists in InstantCMS version 1.6 and earlier due to unsafe use of eval()…
- CVE-2026-28281 — High (CVSS 7.1): InstantCMS is a free and open source content management system. Prior to 2.18.1, InstantCMS does not validate CSRF…
- CVE-2024-31212 — Medium (CVSS 6.7): InstantCMS is a free and open source content management system. A SQL injection vulnerability affects instantcms…
- CVE-2023-4655 — Medium (CVSS 6.1): Cross-site Scripting (XSS) - Reflected in GitHub repository instantsoft/icms2 prior to 2.16.1.
- CVE-2018-14382 — Medium (CVSS 6.1): InstantCMS 2.10.1 has /redirect?url= XSS.
- CVE-2024-50348 — Medium (CVSS 5.4): InstantCMS is a free and open source content management system. In photo upload function in the photo album page there…
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