CVE-2025-8032

Name: CVE-2025-8032
Creator: NVD / NIST
Published: 2025-07-22T21:15:50.36+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2025-8032 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

XSLT document loading did not correctly propagate the source document which bypassed its CSP. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Metrics

CVSS 3.1

8.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS Probability

0.30%

22.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-693

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 128.13.0
Mozilla	Firefox	< 141.0
Mozilla	Firefox	>= 140.0, < 140.1.0
Mozilla	Thunderbird	< 128.13.0
Mozilla	Thunderbird	< 141.0
Mozilla	Thunderbird	>= 140.0, < 140.1.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1974407Permissions Required
https://www.mozilla.org/security/advisories/mfsa2025-56/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-58/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-59/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-61/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-62/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2025-63/Vendor Advisory
https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html

Timeline

Published: Jul 22, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-8032?

How severe is CVE-2025-8032?

CVE-2025-8032 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2025-8032?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-8032?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST