CVE-2023-49061

MEDIUMNVD 6.16.1—

6.1

An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 41.9%
KEV: Not listed

Published

November 21, 2023

Last Modified

November 21, 2024

References (4)

security@mozillahttps://bugzilla.mozilla.org/show_bug.cgi?id=1861420
security@mozillahttps://www.mozilla.org/security/advisories/mfsa2023-51/
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.mozilla.org/show_bug.cgi?id=1861420
af854a3a-2127-422b-91ae-364da2661108https://www.mozilla.org/security/advisories/mfsa2023-51/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-601URL Redirection to Untrusted Site (Open Redirect)

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-49061?

CVE-2023-49061 is a medium vulnerability published on November 21, 2023. An attacker could have performed HTML template injection via Reader Mode and exfiltrated user information. This vulnerability affects Firefox for iOS < 120.

When was CVE-2023-49061 disclosed?

CVE-2023-49061 was first published in the National Vulnerability Database on November 21, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49061 actively exploited?

CVE-2023-49061 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49061?

CVE-2023-49061 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-49061?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49061, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-49061

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-49061?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)