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Fencer Intel
medium 5.4

CVE-2020-28956 json

Multiple cross-site scripting (XSS) vulnerabilities in the Sales module of SugarCRM v6.5.18 allows attackers to execute arbitrary web scrip…

published 5y ago modified 4mo ago also EUVD-2020-21342

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 48%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in the Sales module of SugarCRM v6.5.18 allows attackers to execute arbitrary web scripts or HTML via crafted payloads entered into the primary address state or alternate address state input fields.

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Exploit prediction

0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • vulnerability-lab.com https://www.vulnerability-lab.com/get_content.php?id=2249 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

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.