CVE-2023-2582: A prototype pollution vulnerability exists in Strikingly CMS which can result in reflected cross-site scriptin

Routine

MEDIUM 6.1MITIGATE

CVE-2023-2582 is a medium-severity flaw (CVSS 6.1) affecting strikingly. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 speciall

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-1321
Published	2023-05-08
Last modified	2026-06-17

Publisher (CNA): Tenable Network Security, Inc. · Vendor: strikingly

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-05-08 21:15 UTCPublished CVE record published
2026-06-17 05:52 UTCUpdated Record last modified

strikingly strikingly MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy strikingly || rpm -q strikingly || strikingly --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2582?

strikingly: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-2582 being exploited?

CVE-2023-2582 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2582 affect?

CVE-2023-2582 affects strikingly. Severity is medium (CVSS 6.1). 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 librar

How urgent is CVE-2023-2582?

Priority 38/100. Public exploit reference

Software pages

jQuery vulnerabilities

References

← Back to latest CVEs