CVE-2025-13013

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2025-11-11. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 6.1Exploit: NoneExposed: 0

A fix is available — apply it.

Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
28(Track)
EG Risk 28/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity61% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
9.8%
KEV
Not listed

Published

November 11, 2025

Last Modified

April 13, 2026

References (6)

Patch Availability(26)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuxul-ext-lightning (1:140.7.1+build1-0ubuntu0.22.04.1) @ jammy2026-05-21ubuntu
redhatthunderbird-0:140.5.0-1.el8_82025-12-09redhat
redhatthunderbird-0:140.5.0-1.el8_62025-12-09redhat
redhatthunderbird-0:140.5.0-1.el8_42025-12-08redhat
redhatthunderbird-0:140.5.0-1.el8_22025-12-08redhat
redhatfirefox-0:140.5.0-1.el8_82025-12-01redhat
redhatfirefox-0:140.5.0-1.el9_42025-12-01redhat
redhatthunderbird-0:140.5.0-1.el9_42025-12-01redhat
redhatthunderbird-0:140.5.0-1.el9_02025-12-01redhat
redhatfirefox-0:140.5.0-1.el8_102025-12-01redhat
redhatfirefox-0:140.5.0-1.el8_22025-12-01redhat
redhatfirefox-0:140.5.0-1.el8_42025-12-01redhat
redhatthunderbird-0:140.5.0-1.el9_22025-12-01redhat
redhatfirefox-0:140.5.0-1.el9_22025-12-01redhat
redhatfirefox-0:140.5.0-1.el7_92025-12-01redhat
redhatfirefox-0:140.5.0-1.el9_02025-12-01redhat
redhatfirefox-0:140.5.0-1.el8_62025-12-01redhat
redhatthunderbird-0:140.5.0-2.el10_12025-11-20redhat
redhatthunderbird-0:140.5.0-2.el8_102025-11-20redhat
redhatthunderbird-0:140.5.0-1.el9_72025-11-20redhat
redhatthunderbird-0:140.5.0-1.el9_62025-11-20redhat
redhatthunderbird-0:140.5.0-1.el10_02025-11-20redhat
redhatfirefox-0:140.5.0-1.el9_72025-11-13redhat
redhatfirefox-0:140.5.0-2.el10_12025-11-13redhat
redhatfirefox-0:140.5.0-2.el10_02025-11-12redhat
redhatfirefox-0:140.5.0-1.el9_62025-11-12redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 120 total refreshes for this CVE.

  1. 2026-07-23 14:17 UTCEPSS rescore
  2. 2026-07-23 02:48 UTCEG score recompute
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  51. 2026-06-02 06:09 UTCOSV refresh
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Frequently asked(5)

What is CVE-2025-13013?
CVE-2025-13013 is a medium vulnerability published on November 11, 2025. Mitigation bypass in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Firefox ESR 115.30, Thunderbird 145, and Thunderbird 140.5.
When was CVE-2025-13013 disclosed?
CVE-2025-13013 was first published in the National Vulnerability Database on November 11, 2025, with the most recent update on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-13013 actively exploited?
CVE-2025-13013 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-13013?
CVE-2025-13013 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2025-13013?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13013, 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

Explore the affected products and dependency analysis for CVE-2025-13013

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