CVE-2023-49061
CVE-2023-49061 is a medium-severity vulnerability in Mozilla Firefox 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-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Mozilla Firefox
- Published:
- Last modified:
Description
An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.
Frequently asked questions
- What is CVE-2023-49061?
- An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.
- How severe is CVE-2023-49061?
- CVE-2023-49061 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 low, integrity low, and availability none.
- Is CVE-2023-49061 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.
- What products are affected by CVE-2023-49061?
- CVE-2023-49061 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-49061?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-49061 published?
- CVE-2023-49061 was published on 2023-11-21 and last updated on 2026-06-17.
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1861420
- https://www.mozilla.org/security/advisories/mfsa2023-51/
Affected products (1)
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:*
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