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Vulnerability record · CVE-2020-27459 · published 16 November 2020

CVE-2020-27459: Chronoengine chronoforums cross-site scripting vulnerability

Chronoengine · Chronoforums

Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload into a post. If any user sees the post, the inserted XSS code is executed.

6.1 CVSS 3.1 Medium EPSS 0.95% · top 40.5% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.95%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Chronoforeum 2.0.11 allows Stored XSS vulnerabilities when inserting a crafted payload into a post. If any user sees the post, the inserted XSS code is executed.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nugmubs/chronoforums-cve/wiki/Stored-XSS-Vulnerability-in-Chronoforum-v2.0.11-%28Joomla-plugin%29
https://github.com/nugmubs/chronoforums-cve/wiki/Stored-XSS-Vulnerability-in-Chronoforum-v2.0.11-%28Joomla-plugin%29

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-27459), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.