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CVE-2019-16763

20
FAUCET Score

CVE-2019-16763 describes a cross-site scripting (XSS) vulnerability in Pannellum versions 2.5.0 through 2.5.4, caused by insufficient sanitization of URLs for data URIs. This medium-severity vulnerability (CVSS 6.1) requires user interaction, specifically clicking a hotspot in an attacker-provided configuration, and could lead to information disclosure or other impacts if the vulnerable Pannellum instance shares cookies with a targeted site. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.5.0, <= 2.5.4CPE matchmatch criteria
cpe:2.3:a:pannellum:pannellum:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.5
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.70%
Probability of exploitation in next 30 days
EPSS Percentile
49.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0070 is in the 55th 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

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: pannellumFixed in: 2.5.5

Vendor Advisories (1)

npmGHSA-m52x-29pq-w3vvmedium

Pannellum Cross-Site Scripting due to data not being sanitized for URIs or vbscript

Nov 22, 2019

References

github.com / mpetroff/pannellum/commit/cc2f3d99953de59db908e0c6efd1c2c17f7c6914
Patch
github.com / mpetroff/pannellum/security/advisories/GHSA-m52x-29pq-w3vv
Third Party Advisory