instantsoft has 5 CVEs on record. 5 were published in the last 90 days. The busiest recent month was October 2026 with 3. The median CVSS is 4.3 (medium). None have a confirmed exploitation report.
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 4.3
- Publish → KEV
- —
- Last 90 days
- 5 prev 0
Worst active — by depth score
CVE-2026-54611Medium· 5.5InstantCMS is a free and open source content management system42CVE-2026-108568Medium· 4.3A vulnerability was determined in InstantSoft icms2 up to 2.18.236CVE-2026-108567Medium· 4.3A vulnerability was found in InstantSoft icms2 up to 2.18.236CVE-2026-108566Low· 3.5A vulnerability has been found in InstantSoft icms2 up to 2.18.231CVE-2026-48707Low· 3.1InstantCMS is a free and open source content management system29
instantsoft vulnerabilities
CVEs affecting instantsoft, newest first. Open any entry for full detail, references, and exploit status.
5 CVEsRSS
CVE-2026-108568Medium· 4.3PoCA vulnerability was determined in InstantSoft icms2 up to 2.18.2
A vulnerability was determined in InstantSoft icms2 up to 2.18.2. The affected element is the function validatePaypalOrder of the file system/controllers/billing/actions/paypal.php of the component Billing Module. Executing a manipulatio…
CVE-2026-108567Medium· 4.3PoCA vulnerability was found in InstantSoft icms2 up to 2.18.2
A vulnerability was found in InstantSoft icms2 up to 2.18.2. Impacted is the function files_delete_file of the file system/fields/image.php of the component Image Handler. Performing a manipulation of the argument size results in path tr…
CVE-2026-108566Low· 3.5PoCA vulnerability has been found in InstantSoft icms2 up to 2.18.2
A vulnerability has been found in InstantSoft icms2 up to 2.18.2. This issue affects the function index of the file templates/default/controllers/messages/index.tpl.php of the component Private Message Handler. Such manipulation of the a…
CVE-2026-54611Medium· 5.5PoCInstantCMS is a free and open source content management system
InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Remote Code Execution (RCE) issue that allows remote authenticated attackers to execute any PHP code via the component installer. It is possi…
CVE-2026-48707Low· 3.1PoCInstantCMS is a free and open source content management system
InstantCMS is a free and open source content management system. Versions prior to 2.18.2 have a Server-Side Request Forgery (SSRF) vulnerability in the file upload functionality (`system/core/uploader.php` at lines 509-532). When the "up…