Vulnerability Details : CVE-2022-39297
MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.
Products affected by CVE-2022-39297
- cpe:2.3:a:melistechnology:meliscms:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-39297
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 74 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-39297
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST | |
|
7.7
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L |
2.2
|
5.5
|
GitHub, Inc. |
CWE ids for CVE-2022-39297
-
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2022-39297
-
https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9
Deserialization of untrusted data in \MelisCms\Controller\FrontPluginsController · Advisory · melisplatform/melis-cms · GitHubThird Party Advisory
-
https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11
added allowed_classes=false param to unserialize func · melisplatform/melis-cms@d124b24 · GitHubPatch;Third Party Advisory
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