CVE-2023-2582

Summary

A prototype pollution vulnerability exists in Strikingly CMS which can result in reflected cross-site scripting (XSS) in affected applications and sites built with Strikingly. The vulnerability exists because of Strikingly JavaScript library parsing the URL fragment allows access to the proto or constructor properties and the Object prototype. By leveraging an embedded gadget like jQuery, an attacker who convinces a victim to visit a specially crafted link could achieve arbitrary javascript execution in the context of the user's browser.

Affected Software

Weaknesses

• Cross-Site Scripting

ADP Enrichment

CVE Program Container

Additional References

• https://www.tenable.com/security/research/tra-2023-18

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://www.tenable.com/security/research/tra-2023-18

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