Cross-site scripting in forkcms

published 2021-05-06 5y ago modified 2026-06-17 4mo ago also GHSA-vp4x-94ff-2cmv , EUVD-2022-1211

cvss: 6.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits: 0; none known

Persistent Cross-site scripting vulnerability on Fork CMS version 5.8.2 allows remote attackers to inject arbitrary Javascript code via the "navigation_title" parameter and the "title" parameter in /private/en/pages/add.

Patch / fix

fixed in 1 links 1

packagist forkcms/forkcms 5.8.3

github.com/forkcms/forkcms#3093 pull request

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Exploit prediction

0.84% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	forkcms/forkcms	<5.8.3	5.8.3

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /forkcms/forkcms/pull/3093
web, issue-tracking, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2020-23263
advisory

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.