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CVE-2020-5270

20
FAUCET Score

CVE-2020-5270 describes an open redirection vulnerability in PrestaShop versions 1.7.6.0 through 1.7.6.5, specifically when the "back" parameter is used. This medium-severity vulnerability (CVSS 6.1) can lead to information theft, credential compromise, or redirection to malicious websites, potentially enabling XSS attacks. The issue is client-side exploitable via a network vector with low attack complexity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
> 1.7.6.0, < 1.7.6.5CPE matchmatch criteria
cpe:2.3:a:prestashop:prestashop:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.81%
Probability of exploitation in next 30 days
EPSS Percentile
53.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0081 is in the 62nd percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / PrestaShop/PrestaShop/commit/cd2219dca49965ae8421bb5a53fc301f3f23c458
PatchThird Party Advisory
github.com / PrestaShop/PrestaShop/security/advisories/GHSA-375w-q56h-h7qc
PatchThird Party Advisory