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CVE-2023-4870

20
FAUCET Score

CVE-2023-4870 is a problematic cross-site scripting (XSS) vulnerability in SourceCodester Contact Manager App 1.0, specifically within the index.php file's Contact Information Handler component. An attacker can inject malicious script by manipulating the 'contactID' argument. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially leading to low impact on confidentiality and integrity. While the exploit has been publicly disclosed, there is no evidence of active exploitation, no known exploit frameworks like Metasploit or Nuclei, and minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.0CPE matchmatch criteria
cpe:2.3:a:contact_manager_app_project:contact_manager_app:1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 46th 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

skypoc.wordpress.com / 2023/09/05/vuln1
ExploitThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory