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CVE-2020-12259

76
FAUCET Score

CVE-2020-12259 describes a reflected Cross-Site Scripting (XSS) vulnerability in rConfig 3.9.4, where improper input validation in the configDevice.php file allows an attacker to inject arbitrary JavaScript via the 'rid' GET parameter in devicemgmnt.php. This medium-severity vulnerability (CVSS 5.4) requires user interaction and low privileges, potentially leading to limited impact on confidentiality and integrity. While there is a Nuclei template available, there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.9.4CPE matchmatch criteria
cpe:2.3:a:rconfig:rconfig:3.9.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
96.18%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2020-12259 · Oct 17, 2023
This CVE's current EPSS score of 0.9618 is in the 100th percentile among its peer group of 15,225 CVEs.

Social Chatter

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

Remediation

Remediation records are not available for this CVE.

References

gist.github.com / farid007/8855031bad0e497264e4879efb5bc9f8
Third Party Advisory