How severe is CVE-2024-26282?

CVE-2024-26282 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 high, and availability none.

Is CVE-2024-26282 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-26282?

CVE-2024-26282 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-26282?

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-2024-26282 have an EU (EUVD) identifier?

Yes. CVE-2024-26282 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23553.

When was CVE-2024-26282 published?

CVE-2024-26282 was published on 2024-02-22 and last updated on 2026-06-17.

CVE-2024-26282

CVE-2024-26282 is a high-severity vulnerability in Mozilla Firefox 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-80.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-23553
Weakness: CWE-80
Affected product: Mozilla Firefox
Published: 2024-02-22
Last modified: 2026-06-17

Description

Using an AMP url with a canonical element, an attacker could have executed JavaScript from an opened bookmarked page. This vulnerability affects Firefox for iOS < 123.

Frequently asked questions

What is CVE-2024-26282?: Using an AMP url with a canonical element, an attacker could have executed JavaScript from an opened bookmarked page. This vulnerability affects Firefox for iOS < 123.
How severe is CVE-2024-26282?: CVE-2024-26282 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 high, and availability none.
Is CVE-2024-26282 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-26282?: CVE-2024-26282 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-26282?: 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-2024-26282 have an EU (EUVD) identifier?: Yes. CVE-2024-26282 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-23553.
When was CVE-2024-26282 published?: CVE-2024-26282 was published on 2024-02-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*

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