CVE-2019-15501
Reflected cross site scripting (XSS) in L-Soft LISTSERV before 16.5-2018a exists via the /scripts/wa.exe OK parameter.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 8.1%. Treat it as high on anything reachable from the internet.
Description
Reflected cross site scripting (XSS) in L-Soft LISTSERV before 16.5-2018a exists via the /scripts/wa.exe OK parameter.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 8.14% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · first 26 August 2019
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- lsoft/listserv
- Source
- cve@mitre.org
EPSS moved from 9.1% on 21 September 2026 to 8.1% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/154202/LSoft-ListServ-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/47302Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/154202/LSoft-ListServ-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/47302Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.