XSS in Prestashop

CVE-2020-21967

File upload vulnerability in the Catalog feature in Prestashop 1.7.6.7 allows remote attackers to run arbitrary code via the add new file page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Prestashop — versions 1.7.6.7
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-21967?: CVE-2020-21967 is a medium-severity vulnerability in Prestashop, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2022-07-13.
How severe is CVE-2020-21967?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2020-21967 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.