5.3

CVE-2025-3035: mozilla firefox

CVSS: 5.3v3.1MediumModified
AliasesUBUNTU-CVE-2025-3035CGA-4qf7-7m98-cchfCGA-5f79-3wxx-w8xg
Published 01-04-2025Last modified 13-04-2026
Open JSON

Vulnerability summary

CVE-2025-3035 is a medium (CVSS 5.3) vulnerability in mozilla firefox. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.4% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
OPENSUSE-SU-2025:14971-1OPENSUSE-SU-2026:11373-1CGA-29M9-FJQM-VH3G

Timeline

  1. 01-04-2025
    PublishedVulnerability first disclosed.
  2. 13-04-2026
    Last modifiedVulnerability information updated.

Description

By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability was fixed in Firefox 137.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.29%

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

Ubuntu7 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< 137-r0
  • firefox-esr< 140.5.0-r0 | < 140.4.0-r0
Mozilla1 product
Wolfi1 product
  • firefox< 137-r0

4 vendors · 11 products

References

5 links