XSS in Objectplanet Opinio

CVE-2025-13873

Stored Cross-Site Scripting (XSS) in the survey-import feature of ObjectPlanet Opinio 7.26 rev12562 on web application allows an attacker to inject arbitrary JavaScript code, which executes in the browsing context of any visitor accessing the compromised survey.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-13873: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-13873?
CVE-2025-13873 is a medium-severity vulnerability in Objectplanet Opinio, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-12-02.
How severe is CVE-2025-13873?
Medium severity. CVSS v3 base score is 5.4 out of 10.