CVE-2025-13871: ObjectPlanet Opinio · Cross-Site Request Forgery (CSRF)
Affects ObjectPlanet OpinioSource CVE Database V5
Not known to be exploited · CVSS 2.3 Low.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 2 Dec 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 26 Oct 2026.
What to do
AI-suggested
To mitigate CVE-2025-13871, organizations should implement strict anti-CSRF protections such as synchronizer tokens or double-submit cookies within the Opinio application, especially on resource-management and file upload functionalities. Restrict file upload permissions to only trusted users and validate file types and sizes rigorously to prevent malicious content. Configure access controls to require authentication before accessing uploaded files, eliminating anonymous access. Monitor logs for unusual file upload activity and implement web application firewalls (WAFs) with rules to detect and block CSRF attempts. Educate users about phishing and social engineering risks to reduce the likelihood of user interaction exploitation. If possible, upgrade to a patched version once available or apply vendor-recommended workarounds. Network segmentation and limiting exposure of the Opinio application to trusted networks can further reduce risk. Regular security assessments and penetration testing should verify the effectiveness of these controls.
Description
Cross-Site Request Forgery (CSRF) in the resource-management feature of ObjectPlanet Opinio 7.26 rev12562 allows to upload files on behalf of the connected users and then access such files without authentication.