How severe is CVE-2024-49378?

CVE-2024-49378 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2024-49378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-49378?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-49378 have an EU (EUVD) identifier?

Yes. CVE-2024-49378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43409.

When was CVE-2024-49378 published?

CVE-2024-49378 was published on 2024-10-25 and last updated on 2026-06-17.

CVE-2024-49378

CVE-2024-49378 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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: Medium (CVSS 3.x base score 6.1)
CVSS v4: 5.8
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-43409
Weakness: CWE-79
Published: 2024-10-25
Last modified: 2026-06-17

Description

smartUp, a web browser mouse gestures extension, has a universal cross-site scripting issue in the Edge and Firefox versions of smartUp 7.2.622.1170. The vulnerability allows another extension to execute arbitrary code in the context of the user’s tab. As of time of publication, no known patches exist.

Frequently asked questions

What is CVE-2024-49378?: smartUp, a web browser mouse gestures extension, has a universal cross-site scripting issue in the Edge and Firefox versions of smartUp 7.2.622.1170. The vulnerability allows another extension to execute arbitrary code in the context of the user’s tab. As of time of publication, no known patches exist.
How severe is CVE-2024-49378?: CVE-2024-49378 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2024-49378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-49378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-49378 have an EU (EUVD) identifier?: Yes. CVE-2024-49378 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-43409.
When was CVE-2024-49378 published?: CVE-2024-49378 was published on 2024-10-25 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →