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CVE-2019-18893

21
FAUCET Score

CVE-2019-18893 describes a Cross-Site Scripting (XSS) vulnerability in the Video Downloader component (versions before 1.5) of Avast Secure Browser and AVG Secure Browser. This flaw allows malicious websites to execute arbitrary code within the highly privileged Video Downloader component, potentially enabling access to sensitive user data like cookies and browsing history, or manipulation of the user's web experience. Rated with a CVSS score of 6.1 (Medium), the vulnerability requires user interaction (UI:R) but can be exploited remotely (AV:N) with low attack complexity (AC:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
77.1.1831.91CPE matchmatch criteria
cpe:2.3:a:avast:secure_browser:77.1.1831.91:*:*:*:*:*:*:*
77.0.1790.77CPE matchmatch criteria
cpe:2.3:a:avg:secure_browser:77.0.1790.77:*:*:*:*:*:*:*
< 1.5CPE matchmatch criteria
cpe:2.3:a:video_downloader_project:video_downloader:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.77%
Probability of exploitation in next 30 days
EPSS Percentile
75.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0177 is in the 87th percentile among its peer group of 26,219 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

palant.de / 2020/01/13/pwning-avast-secure-browser-for-fun-and-profit
ExploitThird Party Advisory