CVE-2024-23890: 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, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% 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
European organizations should immediately implement the following specific measures: 1) Restrict access to the Cups Easy application to trusted internal networks or VPNs to reduce exposure to external attackers. 2) Employ Web Application Firewalls (WAFs) with custom rules to detect and block malicious payloads targeting the 'description' parameter in /cupseasylive/itempopup.php. 3) Conduct user awareness training focused on phishing and social engineering to reduce the likelihood of users clicking malicious links. 4) Monitor web server and application logs for unusual requests or patterns indicative of exploitation attempts. 5) If possible, apply input validation and output encoding at the application level as a temporary fix, such as sanitizing the 'description' parameter to neutralize script tags or suspicious characters. 6) Segregate the Cups Easy system from critical infrastructure to limit potential lateral movement. 7) Regularly back up inventory and purchase data to enable recovery in case of compromise. 8) Engage with the vendor for patches or updates and track vulnerability disclosures for updates. These targeted mitigations go beyond generic advice by focusing on network segmentation, WAF tuning, and user training specific to this vulnerability's exploitation vector.
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/itempopup.php, in the description 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.