CVE-2020-25343

CVE-2020-25343 is a medium-severity vulnerability in Getsymphony Symphony with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Description

Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 allow remote attackers to inject arbitrary web script or HTML to fields['body'] param via events\event.publish_article.php

Frequently asked questions

What is CVE-2020-25343?
Cross-site scripting (XSS) vulnerabilities in Symphony CMS 3.0.0 allow remote attackers to inject arbitrary web script or HTML to fields['body'] param via events\event.publish_article.php
How severe is CVE-2020-25343?
CVE-2020-25343 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-25343 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25343?
CVE-2020-25343 affects Getsymphony Symphony. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25343?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25343 published?
CVE-2020-25343 was published on 2020-10-07 and last updated on 2026-06-17.

References

Affected products (1)

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