CVE-2025-8030
published 2025-07-22CVE-2025-8030: 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…
PriorityP340high8.1CVSS 3.1
AVNACLPRNUIRSUCHIHAN
EPSS
0.31%
22.6th percentile
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.
Affected
14 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | < firefox 141.0-1 (sid) | firefox 141.0-1 (sid) |
| debian | firefox-esr | < firefox 141.0-1 (sid) | firefox 141.0-1 (sid) |
| debian | thunderbird | < firefox 141.0-1 (sid) | firefox 141.0-1 (sid) |
| mozilla | firefox | < 128.13.0 | 128.13.0 |
| mozilla | firefox | < 141.0 | 141.0 |
| mozilla | firefox | — | — |
| mozilla | firefox | >= 140.0 < 140.1.0 | 140.1.0 |
| mozilla | thunderbird | < 128.13.0 | 128.13.0 |
| mozilla | thunderbird | < 141.0 | 141.0 |
| mozilla | thunderbird | >= 0 < 1:128.13.0esr-1~deb11u1 | 1:128.13.0esr-1~deb11u1 |
| mozilla | thunderbird | >= 0 < 1:128.13.0esr-1~deb12u1 | 1:128.13.0esr-1~deb12u1 |
| mozilla | thunderbird | >= 0 < 1:128.13.0esr-1 | 1:128.13.0esr-1 |
| mozilla | thunderbird | >= 0 < 1:128.13.0esr-1 | 1:128.13.0esr-1 |
| mozilla | thunderbird | >= 140.0 < 140.1.0 | 140.1.0 |
CVSS provenance
nvdv3.18.1HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
osv8.1HIGH
vendor_debian8.1HIGH
vendor_redhat8.1HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Thunderbird vulnerabilities
vendor_ubuntu·2026-02-02
CVE-2025-8031 Thunderbird vulnerabilities
Title: Thunderbird vulnerabilities
Summary: Several security issues were fixed in Thunderbird.
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
obtain sensitive information, bypass security restrictions, cross-site
tracing, or execute arbitrary code.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
firefox: thunderbird: Potential user-assisted code execution in “Copy as cURL” command
vendor_redhat·2025-07-22·CVSS 8.1
CVE-2025-8030 [HIGH] CWE-94 firefox: thunderbird: Potential user-assisted code execution in “Copy as cURL” command
firefox: thunderbird: Potential user-assisted code execution in “Copy as cURL” command
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code.
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.
Package: rhel10/firefox-flatpak (Red Hat Enterprise Linux 10
Debian
CVE-2025-8030: firefox - Insufficient escaping in the “Copy as cURL” feature could potentially be used to...
vendor_debian·2025·CVSS 8.1
CVE-2025-8030 [HIGH] CVE-2025-8030: firefox - Insufficient escaping in the “Copy as cURL” feature could potentially be used to...
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
Scope: local
sid: resolved (fixed in 141.0-1)
Mozilla
Mozilla Foundation Security Advisory 2025-59: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-59: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-59
CVE: CVE-2025-8030
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 140.1
Mozilla
Mozilla Foundation Security Advisory 2025-58: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-58: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-58
CVE: CVE-2025-8030
Product: Firefox ESR
Impact: high
Fixed in: Firefox ESR 128.13
Mozilla
Mozilla Foundation Security Advisory 2025-62: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-62: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-62
CVE: CVE-2025-8030
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 128.13
Mozilla
Mozilla Foundation Security Advisory 2025-63: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-63: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-63
CVE: CVE-2025-8030
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 140.1
Mozilla
Mozilla Foundation Security Advisory 2025-56: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-56: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-56
CVE: CVE-2025-8030
Product: Firefox
Impact: high
Fixed in: Firefox 141
Mozilla
Mozilla Foundation Security Advisory 2025-61: CVE-2025-8030
vendor_mozilla·CVSS 8.1
CVE-2025-8030 [HIGH] Mozilla Foundation Security Advisory 2025-61: CVE-2025-8030
Mozilla Foundation Security Advisory 2025-61
CVE: CVE-2025-8030
Product: Thunderbird
Impact: high
Fixed in: Thunderbird 141
GHSA
GHSA-3q2p-xj33-xm8j: Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code
ghsa_unreviewed·2025-07-22
CVE-2025-8030 [HIGH] CWE-94 GHSA-3q2p-xj33-xm8j: Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
OSV
CVE-2025-8030: Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code
osv·2025-07-22·CVSS 8.1
CVE-2025-8030 [HIGH] CVE-2025-8030: Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code
Insufficient escaping in the “Copy as cURL” feature could potentially be used to trick a user into executing unexpected code. This vulnerability affects Firefox < 141, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
No detection rules found.
No public exploits indexed.
https://bugzilla.mozilla.org/show_bug.cgi?id=1968414https://www.mozilla.org/security/advisories/mfsa2025-56/https://www.mozilla.org/security/advisories/mfsa2025-58/https://www.mozilla.org/security/advisories/mfsa2025-59/https://www.mozilla.org/security/advisories/mfsa2025-61/https://www.mozilla.org/security/advisories/mfsa2025-62/https://www.mozilla.org/security/advisories/mfsa2025-63/https://lists.debian.org/debian-lts-announce/2025/07/msg00016.html
2025-07-22
Published