CVE-2025-1186
Published: 12 February 2025
Summary
CVE-2025-1186 is a medium-severity Improper Input Validation (CWE-20) vulnerability in Xunruicms Xunruicms. Its CVSS base score is 5.3 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 23.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Deeper analysis
CVE-2025-1186 is a critical deserialization vulnerability in dayrui XunRuiCMS versions up to 4.6.4, affecting unknown code within the file /Control/Api/Api.php. The issue arises from manipulation of the "thumb" argument, linked to CWE-20 (Improper Input Validation) and CWE-502 (Deserialization of Untrusted Data). It carries a CVSS v3.1 base score of 6.3 (AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L) and was published on 2025-02-12.
Attackers with low privileges can exploit this vulnerability remotely by manipulating the "thumb" parameter, potentially leading to low-level impacts on confidentiality, integrity, and availability. The exploit has been publicly disclosed and may be actively used.
Advisories and details are available via VulDB entries (ctiid.295090, id.295090, submit.495820), with a proof-of-concept exploit documented in a GitHub-hosted PDF at https://github.com/pwysec/d6qRhl/blob/main/1.pdf. No specific patches or mitigations are detailed in the available information.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-2060
Vulnerability details
A vulnerability was found in dayrui XunRuiCMS up to 4.6.4. It has been declared as critical. This vulnerability affects unknown code of the file /Control/Api/Api.php. The manipulation of the argument thumb leads to deserialization. The attack can be initiated remotely.…
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The exploit has been disclosed to the public and may be used.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Remote deserialization flaw in public-facing CMS web application directly enables initial access via exploitation of a public-facing app (T1190).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires timely identification, reporting, and correction of the deserialization flaw in /Control/Api/Api.php to prevent exploitation of CVE-2025-1186.
Enforces input validation mechanisms on the 'thumb' argument to block deserialization of untrusted data as described in the CVE.
Provides vulnerability scanning to identify the deserialization vulnerability in XunRuiCMS, enabling prioritization for remediation.