CVE-2025-10116: SiempreCMS · Unrestricted Upload
Affects SiempreCMSSource CVE Database V5
Not known to be exploited · CVSS 6.9 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 9 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| SiempreCMS | Affected
| Fixed in– |
AI-suggested
1. Immediate mitigation should include restricting access to the /docs/admin/file_upload.php endpoint via network controls such as IP whitelisting or web application firewalls (WAF) to block unauthorized upload attempts. 2. Implement strict input validation and file type restrictions at the application or server level to prevent execution of uploaded files. 3. Monitor web server logs for suspicious upload activity or unexpected file creations. 4. If possible, disable or remove the vulnerable file upload functionality until a patch is available. 5. Regularly update SiempreCMS to the latest version once the vendor releases a security patch addressing this vulnerability. 6. Employ runtime application self-protection (RASP) or endpoint detection and response (EDR) solutions to detect and block exploitation attempts. 7. Conduct security audits and penetration tests focusing on file upload mechanisms to identify similar weaknesses. 8. Educate administrators on the risks of unrestricted file uploads and enforce the principle of least privilege for CMS administrative access.
Description
A vulnerability was identified in SiempreCMS up to 1.3.6. This vulnerability affects unknown code of the file /docs/admin/file_upload.php. Such manipulation leads to unrestricted upload. The attack may be launched remotely. The exploit is publicly available and might be used.