What is CVE-2020-27459?

CVE-2020-27459 is a medium-severity vulnerability in Chronoengine Chronoforums, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-11-16.

How severe is CVE-2020-27459?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-27459 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Chronoengine Chronoforums

CVE-2020-27459

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (57.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Chronoengine Chronoforums — versions 2.0.11
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_MISC)

Frequently asked questions

What is CVE-2020-27459?: CVE-2020-27459 is a medium-severity vulnerability in Chronoengine Chronoforums, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-11-16.
How severe is CVE-2020-27459?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-27459 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.