8.1

CVE-2025-8030: mozilla firefox Code Injection

CVSS: 8.1v3.1HighModified
AliasesUBUNTU-CVE-2025-8030DEBIAN-CVE-2025-8030CGA-6w88-r8q5-gfgf
Published 22-07-2025Last modified 13-04-2026
Open JSON

Vulnerability summary

CVE-2025-8030 is a high (CVSS 8.1) Code Injection vulnerability in mozilla firefox. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.1% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 37 · Related 12
DLA-4250-1DLA-4253-1DSA-5964-1DSA-5966-1MGASA-2025-0227MGASA-2025-0228

Timeline

  1. 22-07-2025
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability was fixed in Firefox 141, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.03 pp

From 0.32% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu8 products
  • mozjs102All versions (No fix recorded)
  • mozjs115All versions (No fix recorded)
  • mozjs38All versions (No fix recorded)
  • mozjs52All versions (No fix recorded)
  • mozjs68All versions (No fix recorded)
Chainguard2 products
  • firefox< 128.13-r0
  • firefox-esr< 140.1-r0
Debian2 products
  • firefox-esr< 128.13.0esr-1~deb12u1 | < 128.13.0esr-1
  • thunderbird< 1:128.13.0esr-1~deb12u1 | < 1:128.13.0esr-1
Mozilla2 products
  • firefox< 128.13.0 | < 141.0 | ≥ 140.0, < 140.1.0
  • thunderbird< 128.13.0 | < 141.0 | ≥ 140.0, < 140.1.0
Wolfi1 product
  • firefox< 128.13-r0

5 vendors · 15 products

References

15 links
Show all 15 references