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CVE-2020-19703

21
FAUCET Score

CVE-2020-19703 describes a cross-site scripting (XSS) vulnerability in Dzzoffice 2.02, specifically within the 'referer' parameter. This allows an attacker to inject and execute arbitrary web scripts or HTML through a specially crafted payload. Rated 6.1 MEDIUM, the vulnerability requires user interaction (UI:R) and can lead to low impact on confidentiality and integrity (C:L, I:L), but does not affect availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.02CPE matchmatch criteria
cpe:2.3:a:dzzoffice:dzzoffice:2.02:*:*:*:*:*:*:*

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
0.68%
Probability of exploitation in next 30 days
EPSS Percentile
48.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0068 is in the 53rd 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

github.com / zyx0814/dzzoffice/issues/107
ExploitIssue TrackingThird Party Advisory