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Vulnerability record · CVE-2023-27641 · published 5 March 2023

CVE-2023-27641: Lsoft listserv cross-site scripting vulnerability

Lsoft · Listserv

The REPORT (after z but before a) parameter in wa.exe in L-Soft LISTSERV 16.5 before 17 allows an attacker to conduct XSS attacks via a crafted URL.

6.1 CVSS 3.1 Medium EPSS 1.1% · top 36.0% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The REPORT (after z but before a) parameter in wa.exe in L-Soft LISTSERV 16.5 before 17 allows an attacker to conduct XSS attacks via a crafted URL.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/hosakauk/exploits/blob/master/listserv_report_xss.MD ExploitThird Party Advisory
https://github.com/hosakauk/exploits/blob/master/listserv_report_xss.MD ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2000-0425Lsoft listserv vulnerabilityBuffer overflow in the Web Archives component of L-Soft LISTSERV 1.8 allows remote attackers to execute arbitrary commands.EPSS 5.8%7.5CVE-2022-40319Lsoft listserv insecure direct object reference vulnerabilityThe LISTSERV 17 web interface allows remote attackers to conduct Insecure Direct Object References (IDOR) attacks via a modified email address in a w…EPSS 7.2%7.5CVE-2006-1044Lsoft listserv vulnerabilityMultiple buffer overflows in LISTSERV 14.3 and 14.4, including LISTSERV Lite and HPO, with the web archive interface enabled, allow remote attackers …EPSS 7.5%7.5CVE-2005-1773Lsoft listserv vulnerabilityMultiple unknown vulnerabilities in L-Soft LISTSERV 14.3, 1.8e, and 1.8d allow remote attackers to execute arbitrary code or cause a denial of servic…EPSS 2.7%7.5CVE-2000-0632Lsoft listserv vulnerabilityBuffer overflow in the web archive component of L-Soft Listserv 1.8d and earlier allows remote attackers to execute arbitrary commands via a long que…EPSS 3.6%7.5CVE-1999-0252Lsoft listserv vulnerabilityBuffer overflow in listserv allows arbitrary command execution.EPSS 2.9%6.1CVE-2022-39195Lsoft listserv cross-site scripting vulnerabilityA cross-site scripting (XSS) vulnerability in the LISTSERV 17 web interface allows remote attackers to inject arbitrary JavaScript or HTML via the c …EPSS 6.3%6.1CVE-2019-15501Lsoft listserv cross-site scripting vulnerabilityReflected cross site scripting (XSS) in L-Soft LISTSERV before 16.5-2018a exists via the /scripts/wa.exe OK parameter.EPSS 7.4%

Source: NIST National Vulnerability Database (record CVE-2023-27641), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.