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CVE-2023-35934

23
FAUCET Score

CVE-2023-35934 describes a cookie leakage vulnerability in yt-dlp, a command-line video downloader, affecting versions prior to 2023.07.06. This flaw allows sensitive cookies to be inadvertently sent to unintended hosts during HTTP redirects or when downloading fragmented content, potentially exposing user authentication information. Rated with a CVSS score of 8.2 (High), the vulnerability has a network attack vector and low attack complexity, requiring user interaction (e.g., clicking a malicious link) to trigger. Successful exploitation could lead to high confidentiality impact due to cookie exposure, but has low integrity and no availability impact. Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness or immediate threat perception.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:youtube-dlc_project:youtube-dlc:*:*:*:*:*:*:*:*
>= 2015.01.25CPE matchmatch criteria
cpe:2.3:a:yt-dl:youtube-dl:*:*:*:*:*:*:*:*
< 2023.07.06CPE matchmatch criteria
cpe:2.3:a:yt-dlp_project:yt-dlp:*:*:*:*:-:*:*:*
< 2023.07.06.185519CPE matchmatch criteria
cpe:2.3:a:yt-dlp_project:yt-dlp:*:*:*:*:nightly:*:*:*
37CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.04%
Probability of exploitation in next 30 days
EPSS Percentile
60.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0104 is in the 60th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: yt-dlpFixed in: 2023.7.06

Vendor Advisories (1)

pipGHSA-v8mc-9377-rwjjmedium

yt-dlp File Downloader cookie leak

Jul 6, 2023

References

github.com / yt-dlp/yt-dlp/commit/1ceb657bdd254ad961489e5060f2ccc7d556b729
Patch
github.com / yt-dlp/yt-dlp/commit/3121512228487c9c690d3d39bfd2579addf96e07
Patch
github.com / yt-dlp/yt-dlp/commit/f8b4bcc0a791274223723488bfbfc23ea3276641
Patch
github.com / yt-dlp/yt-dlp-nightly-builds/releases/tag/2023.07.06.185519
Release Notes
github.com / yt-dlp/yt-dlp/releases/tag/2023.07.06
Release Notes
github.com / yt-dlp/yt-dlp/security/advisories/GHSA-v8mc-9377-rwjj
Vendor Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/5X6YT6AQE5FHM5VTQLKKJXSYBLLJF26W
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/HEOKCGVONGHR2SYUIXU33A4MKXZBDP6L
lists.fedoraproject.org / archives/list/[email protected]/message/IM44RJL2MR2WG3ZY354C5IUEEZUJGEVA
Mailing List
lists.fedoraproject.org / archives/list/[email protected]/message/M7E7CQ5S5KMZHAMCNU7V7KYNBVCPLBHG