What’s Vulnerable › Vulnerabilities

CVE-2020-5266: Stored XSS on back office edit page

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-04-16 · updated 2026-06-17
• Weakness: CWE-79

Description

In the ps_link module for PrestaShop before version 3.1.0, there is a stored XSS when you create or edit a link list block with the title field. The problem is fixed in 3.1.0

Affected products

• Prestashop Link: from 1.0.4 before 3.1.0 — fixed in 3.1.0

How to fix

Upgrade to a fixed version: Prestashop Link 3.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/PrestaShop/ps_linklist/commit/b90005c2cfed949ab564228b277a728e0a62a876
• https://github.com/PrestaShop/ps_linklist/security/advisories/GHSA-vr7g-vqp5-966j
• https://github.com/PrestaShop/ps_linklist/commit/b90005c2cfed949ab564228b277a728e0a62a876
• https://github.com/PrestaShop/ps_linklist/security/advisories/GHSA-vr7g-vqp5-966j

Get alerted when CVE-2020-5266 or the next vulnerability affects your stack