CVE-2023-27641
CVE-2023-27641 is a medium-severity vulnerability in Lsoft Listserv with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 1% (61st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Lsoft Listserv
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2023-27641?
- 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.
- How severe is CVE-2023-27641?
- CVE-2023-27641 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2023-27641 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-27641?
- CVE-2023-27641 affects Lsoft Listserv. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-27641?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-27641 published?
- CVE-2023-27641 was published on 2023-03-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:lsoft:listserv:*:*:*:*:*:*:*:*
More vulnerabilities in Lsoft Listserv
- CVE-2000-0425 — Critical (CVSS 10.0): Buffer overflow in the Web Archives component of L-Soft LISTSERV 1.8 allows remote attackers to execute arbitrary…
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- CVE-2006-1044 — High (CVSS 7.5): Multiple buffer overflows in LISTSERV 14.3 and 14.4, including LISTSERV Lite and HPO, with the web archive interface…
- CVE-2005-1773 — High (CVSS 7.5): Multiple unknown vulnerabilities in L-Soft LISTSERV 14.3, 1.8e, and 1.8d allow remote attackers to execute arbitrary…
- CVE-2000-0632 — High (CVSS 7.5): Buffer overflow in the web archive component of L-Soft Listserv 1.8d and earlier allows remote attackers to execute…
- CVE-1999-0252 — High (CVSS 7.5): Buffer overflow in listserv allows arbitrary command execution.
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