CVE-2025-15562: NesterSoft WorkTime (on-prem/cloud) · XSS or 'Cross-site Scripting'
Affects NesterSoft WorkTime (on-prem/cloud)Source CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 19 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NesterSoft Inc.WorkTime (on-prem/cloud) | Affected
| Fixed in– |
AI-suggested
To mitigate this vulnerability, organizations should immediately implement strict input validation and output encoding on the /report/internet/urls endpoint to ensure that any user-supplied data is properly sanitized before being reflected in HTML responses. Employing a robust web application firewall (WAF) with rules to detect and block XSS payloads targeting this endpoint can provide a temporary protective layer. Security teams should educate users about the risks of clicking on unsolicited or suspicious URLs, especially those related to WorkTime reports. Monitoring logs for unusual requests to the vulnerable endpoint can help detect attempted exploitation. Organizations should also engage with NesterSoft Inc. for updates or patches and plan for timely application once available. Additionally, implementing Content Security Policy (CSP) headers can reduce the impact of injected scripts by restricting script execution sources. Regular security assessments and penetration testing focusing on this endpoint are recommended to verify the effectiveness of mitigations.
Description
The server API endpoint /report/internet/urls reflects received data into the HTML response without applying proper encoding or filtering. This allows an attacker to execute arbitrary JavaScript in the victim's browser if the victim opens a URL prepared by the attacker.