CVE-2024-23893: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Cups Easy Cups Easy (Purchase & Inventory)
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/costcentermodify.php, in the costcenterid 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.
AI Analysis
Technical Summary
CVE-2024-23893 is a high-severity Cross-Site Scripting (XSS) vulnerability identified in version 1.0 of Cups Easy (Purchase & Inventory), a software product used for purchase and inventory management. The vulnerability arises from improper neutralization of user-controlled input in the web application, specifically in the 'costcenterid' parameter of the /cupseasylive/costcentermodify.php endpoint. This parameter is not sufficiently encoded or sanitized before being reflected in the web page output, allowing an attacker to inject malicious scripts. Exploitation requires the attacker to craft a specially formed URL containing the malicious script and trick an authenticated user into visiting it. Once executed in the victim's browser, the script can steal session cookies, potentially leading to session hijacking and unauthorized access to the victim's account within the application. The CVSS 3.1 base score is 8.2, indicating a high severity level. The vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N shows that the attack can be performed remotely over the network without privileges but requires user interaction (clicking the malicious link). The vulnerability impacts confidentiality severely (session cookie theft), has limited impact on integrity (some manipulation possible), and no impact on availability. The scope is changed (S:C), meaning the vulnerability affects resources beyond the vulnerable component. No known exploits are currently reported in the wild, and no patches have been linked yet. The vulnerability is classified under CWE-79, which covers improper neutralization of input leading to XSS attacks. This vulnerability is critical for environments where Cups Easy is deployed, especially if users have elevated privileges or access sensitive inventory and purchase data.
Potential Impact
For European organizations using Cups Easy (Purchase & Inventory) version 1.0, this vulnerability poses a significant risk to the confidentiality of user sessions and potentially sensitive business data. Successful exploitation could allow attackers to hijack authenticated sessions, leading to unauthorized access to purchase and inventory management functions. This could result in data leakage, manipulation of inventory records, fraudulent purchase orders, or disruption of supply chain operations. The impact is particularly severe in sectors where inventory and purchase data are sensitive or regulated, such as manufacturing, retail, pharmaceuticals, and logistics. Additionally, session hijacking could be leveraged as a foothold for further lateral movement within the organization's network. The requirement for user interaction (clicking a malicious link) means phishing or social engineering campaigns could be used to exploit this vulnerability. Given the interconnected nature of European supply chains and regulatory requirements for data protection (e.g., GDPR), exploitation could also lead to compliance violations and reputational damage.
Mitigation Recommendations
1. Immediate mitigation should focus on user awareness and training to recognize and avoid suspicious links, especially those purporting to come from trusted internal sources. 2. Implement web application firewall (WAF) rules to detect and block malicious payloads targeting the 'costcenterid' parameter or suspicious URL patterns related to /cupseasylive/costcentermodify.php. 3. Apply strict Content Security Policy (CSP) headers to restrict execution of unauthorized scripts in the browser context. 4. If possible, disable or restrict access to the vulnerable endpoint until a patch is available. 5. Conduct thorough input validation and output encoding on all user-supplied data, particularly the 'costcenterid' parameter, to neutralize any injected scripts. 6. Monitor logs for unusual access patterns or repeated attempts to exploit this parameter. 7. Engage with the vendor for an official patch or update; if unavailable, consider code review and custom fixes to sanitize inputs. 8. Enforce multi-factor authentication (MFA) to reduce the impact of session hijacking. 9. Regularly update and audit session management mechanisms to detect anomalies.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Belgium, Poland, Sweden, Austria
CVE-2024-23893: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Cups Easy Cups Easy (Purchase & Inventory)
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/costcentermodify.php, in the costcenterid 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.
AI-Powered Analysis
Technical Analysis
CVE-2024-23893 is a high-severity Cross-Site Scripting (XSS) vulnerability identified in version 1.0 of Cups Easy (Purchase & Inventory), a software product used for purchase and inventory management. The vulnerability arises from improper neutralization of user-controlled input in the web application, specifically in the 'costcenterid' parameter of the /cupseasylive/costcentermodify.php endpoint. This parameter is not sufficiently encoded or sanitized before being reflected in the web page output, allowing an attacker to inject malicious scripts. Exploitation requires the attacker to craft a specially formed URL containing the malicious script and trick an authenticated user into visiting it. Once executed in the victim's browser, the script can steal session cookies, potentially leading to session hijacking and unauthorized access to the victim's account within the application. The CVSS 3.1 base score is 8.2, indicating a high severity level. The vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N shows that the attack can be performed remotely over the network without privileges but requires user interaction (clicking the malicious link). The vulnerability impacts confidentiality severely (session cookie theft), has limited impact on integrity (some manipulation possible), and no impact on availability. The scope is changed (S:C), meaning the vulnerability affects resources beyond the vulnerable component. No known exploits are currently reported in the wild, and no patches have been linked yet. The vulnerability is classified under CWE-79, which covers improper neutralization of input leading to XSS attacks. This vulnerability is critical for environments where Cups Easy is deployed, especially if users have elevated privileges or access sensitive inventory and purchase data.
Potential Impact
For European organizations using Cups Easy (Purchase & Inventory) version 1.0, this vulnerability poses a significant risk to the confidentiality of user sessions and potentially sensitive business data. Successful exploitation could allow attackers to hijack authenticated sessions, leading to unauthorized access to purchase and inventory management functions. This could result in data leakage, manipulation of inventory records, fraudulent purchase orders, or disruption of supply chain operations. The impact is particularly severe in sectors where inventory and purchase data are sensitive or regulated, such as manufacturing, retail, pharmaceuticals, and logistics. Additionally, session hijacking could be leveraged as a foothold for further lateral movement within the organization's network. The requirement for user interaction (clicking a malicious link) means phishing or social engineering campaigns could be used to exploit this vulnerability. Given the interconnected nature of European supply chains and regulatory requirements for data protection (e.g., GDPR), exploitation could also lead to compliance violations and reputational damage.
Mitigation Recommendations
1. Immediate mitigation should focus on user awareness and training to recognize and avoid suspicious links, especially those purporting to come from trusted internal sources. 2. Implement web application firewall (WAF) rules to detect and block malicious payloads targeting the 'costcenterid' parameter or suspicious URL patterns related to /cupseasylive/costcentermodify.php. 3. Apply strict Content Security Policy (CSP) headers to restrict execution of unauthorized scripts in the browser context. 4. If possible, disable or restrict access to the vulnerable endpoint until a patch is available. 5. Conduct thorough input validation and output encoding on all user-supplied data, particularly the 'costcenterid' parameter, to neutralize any injected scripts. 6. Monitor logs for unusual access patterns or repeated attempts to exploit this parameter. 7. Engage with the vendor for an official patch or update; if unavailable, consider code review and custom fixes to sanitize inputs. 8. Enforce multi-factor authentication (MFA) to reduce the impact of session hijacking. 9. Regularly update and audit session management mechanisms to detect anomalies.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- INCIBE
- Date Reserved
- 2024-01-23T10:55:17.785Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68387d4f182aa0cae2831786
Added to database: 5/29/2025, 3:29:19 PM
Last enriched: 7/8/2025, 12:42:30 AM
Last updated: 8/14/2025, 5:58:33 PM
Views: 18
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