How severe is CVE-2026-42649?

CVE-2026-42649 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-42649 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42649?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-42649 have an EU (EUVD) identifier?

Yes. CVE-2026-42649 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36817.

When was CVE-2026-42649 published?

CVE-2026-42649 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-42649

CVE-2026-42649 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36817
Weakness: CWE-79
Published: 2026-06-15
Last modified: 2026-06-17

Description

Unauthenticated Cross Site Scripting (XSS) in Favicon Rotator <= 1.2.11 versions.

Frequently asked questions

What is CVE-2026-42649?: Unauthenticated Cross Site Scripting (XSS) in Favicon Rotator <= 1.2.11 versions.
How severe is CVE-2026-42649?: CVE-2026-42649 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-42649 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42649?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42649 have an EU (EUVD) identifier?: Yes. CVE-2026-42649 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36817.
When was CVE-2026-42649 published?: CVE-2026-42649 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/favicon-rotator/vulnerability/wordpress-favicon-rotator-plugin-1-2-11-cross-site-scripting-xss-vulnerability?_s_id=cve

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