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CVE-2023-27641

30
FAUCET Score

CVE-2023-27641 describes a Cross-Site Scripting (XSS) vulnerability in L-Soft LISTSERV versions 16.5 prior to 17, specifically within the wa.exe component. An unauthenticated attacker can exploit this by crafting a malicious URL, leading to a medium severity impact on confidentiality and integrity. The CVSS score is 6.1, indicating a network-based attack with low complexity requiring user interaction. While there is no evidence of active exploitation or public exploit code on Metasploit or ExploitDB, a Nuclei template exists, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 17.0CPE matchmatch criteria
cpe:2.3:a:lsoft:listserv:*:*:*:*:*:*:*:*

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
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
Nuclei: CVE-2023-27641 · Oct 7, 2024
This CVE's current EPSS score of 0.0109 is in the 75th 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 / hosakauk/exploits/blob/master/listserv_report_xss.MD
ExploitThird Party Advisory