CVE-2024-23887: Cups Easy (Purchase & Inventory) · Cross-site Scripting
Affects Cups Easy (Purchase & Inventory)Source CVE Database V5
Not known to be exploited · CVSS 8.2 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% 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:H/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 26 Jan 2024
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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Cups Easy Cups Easy (Purchase & Inventory) | Affected
| Fixed in– |
AI-suggested
Since no official patches are currently available, European organizations should implement immediate compensating controls. First, apply strict input validation and output encoding on the 'grndate' parameter at the web application firewall (WAF) or reverse proxy level to block malicious payloads. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers. Educate users to avoid clicking suspicious links and implement multi-factor authentication (MFA) to reduce the impact of session hijacking. Monitor web server logs for unusual requests targeting /cupseasylive/grncreate.php and anomalous user behavior indicative of session compromise. Segregate the Cups Easy application network segment and limit access to trusted users only. Once the vendor releases a patch, prioritize its deployment. Additionally, review session management practices to ensure cookies have secure, HttpOnly, and SameSite attributes set to mitigate cookie theft risks.
Description
A vulnerability has been reported in Cups Easy (Purchase & Inventory), version 1.0, whereby user-controlled inputs are not sufficiently encoded, resulting in a Cross-Site Scripting (XSS) vulnerability via /cupseasylive/grncreate.php, in the grndate parameter. Exploitation of this vulnerability could allow a remote attacker to send a specially crafted URL to an authenticated user and steal their session cookie credentials.