Cross-site Scripting (XSS) - Reflected in yetiforcecompany/yetiforcecrm

published 2021-12-14 4 y ago modified 2026-06-17 4 mo ago also GHSA-rp42-c45j-g46x , EUVD-2021-2582

cvss: 5.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 57%
public exploits: 0; none known

yetiforcecrm is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Patch / fix

fixed in 1 links 2

yetiforcecompany yetiforcecompany/yetiforcecrm 6.4.0

Exploit prediction

0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

huntr.dev https://huntr.dev/bounties/1d124520-cf29-4539-a0f3-6d041af7b5a8 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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	3.0	5.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	yetiforce/yetiforce-crm	<=6.3.0	no fix listed

Affected products

yetiforcecompany yetiforcecompany/yetiforcecrm

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /yetiforcecompany/yetiforcecrm/commit/a062d3d5fecb000db207a2ad8a446db97ad96b89
web, patch, third-party-advisory
huntr.dev /bounties/1d124520-cf29-4539-a0f3-6d041af7b5a8
web, exploit, patch, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-4107
advisory
github.com /yetiforcecompany/yetiforcecrm
package

Sources

CVE List CVE-2021-4107
GitHub Advisory GHSA-rp42-c45j-g46x
NVD CVE-2021-4107

Fencer Vulns 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.

Summary