CVE-2022-40849: n/a in n/a
ThinkCMF version 6.0.7 is affected by Stored Cross-Site Scripting (XSS). An attacker who successfully exploited this vulnerability could inject a Persistent XSS payload in the Slideshow Management section that execute arbitrary JavaScript code on the client side, e.g., to steal the administrator's PHP session token (PHPSESSID).
AI Analysis
Technical Summary
CVE-2022-40849 is a Stored Cross-Site Scripting (XSS) vulnerability identified in ThinkCMF version 6.0.7, a content management framework. This vulnerability exists within the Slideshow Management section of the application, where an attacker can inject malicious JavaScript code that is persistently stored and later executed in the context of an administrator's browser session. The exploitation requires the attacker to have some level of privileges (indicated by the CVSS vector requiring privileges) and involves user interaction, such as the administrator accessing the compromised slideshow management interface. Once exploited, the attacker’s injected script can execute arbitrary JavaScript, potentially stealing sensitive information like the administrator’s PHP session token (PHPSESSID). This token theft can lead to session hijacking, allowing the attacker to impersonate the administrator and gain unauthorized access to the backend system. The vulnerability is classified under CWE-79, which pertains to improper neutralization of input during web page generation, leading to XSS. The CVSS 3.1 base score is 5.4 (medium severity), reflecting network attack vector, low attack complexity, required privileges, user interaction, and partial impact on confidentiality and integrity but no impact on availability. No public exploits are known at this time, and no official patches or vendor details are provided in the data. The vulnerability’s scope is limited to the affected ThinkCMF installations running version 6.0.7, specifically those using the slideshow management feature accessible to privileged users.
Potential Impact
For European organizations using ThinkCMF 6.0.7, this vulnerability poses a moderate risk primarily to administrative users managing website content. Successful exploitation could lead to session hijacking, enabling attackers to gain administrative control over the CMS backend. This could result in unauthorized content modification, data leakage, or further pivoting within the organization’s network. Given that ThinkCMF is a CMS framework, organizations relying on it for public-facing websites or intranet portals may face reputational damage, data integrity issues, and potential compliance violations under GDPR if personal data is exposed or manipulated. The impact is heightened in sectors with sensitive data or critical web infrastructure, such as government, finance, and healthcare institutions. However, the requirement for privileges and user interaction limits the attack surface to insiders or attackers who have already compromised lower-level accounts or social engineered administrators. The absence of known exploits reduces immediate threat but does not eliminate risk, especially if attackers develop targeted campaigns. The vulnerability does not affect system availability directly but compromises confidentiality and integrity, which can have cascading operational impacts.
Mitigation Recommendations
1. Immediate mitigation should include restricting access to the slideshow management section to only trusted administrators and enforcing strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of compromised credentials. 2. Implement rigorous input validation and output encoding on all user-supplied data within the slideshow management interface to prevent injection of malicious scripts. 3. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the browser context. 4. Monitor administrative logs for unusual activity that could indicate exploitation attempts, such as unexpected changes in slideshow content or anomalous session behaviors. 5. Since no official patch is currently provided, consider temporarily disabling or limiting the slideshow management feature if feasible until a vendor patch or update is released. 6. Educate administrators on the risks of clicking untrusted links or opening suspicious content within the CMS environment to reduce the likelihood of user interaction-based exploitation. 7. Conduct regular security assessments and penetration tests focusing on web application vulnerabilities, including XSS, to identify and remediate similar issues proactively. 8. Stay informed on vendor communications or security advisories for ThinkCMF to apply patches promptly once available.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Poland, Belgium
CVE-2022-40849: n/a in n/a
Description
ThinkCMF version 6.0.7 is affected by Stored Cross-Site Scripting (XSS). An attacker who successfully exploited this vulnerability could inject a Persistent XSS payload in the Slideshow Management section that execute arbitrary JavaScript code on the client side, e.g., to steal the administrator's PHP session token (PHPSESSID).
AI-Powered Analysis
Technical Analysis
CVE-2022-40849 is a Stored Cross-Site Scripting (XSS) vulnerability identified in ThinkCMF version 6.0.7, a content management framework. This vulnerability exists within the Slideshow Management section of the application, where an attacker can inject malicious JavaScript code that is persistently stored and later executed in the context of an administrator's browser session. The exploitation requires the attacker to have some level of privileges (indicated by the CVSS vector requiring privileges) and involves user interaction, such as the administrator accessing the compromised slideshow management interface. Once exploited, the attacker’s injected script can execute arbitrary JavaScript, potentially stealing sensitive information like the administrator’s PHP session token (PHPSESSID). This token theft can lead to session hijacking, allowing the attacker to impersonate the administrator and gain unauthorized access to the backend system. The vulnerability is classified under CWE-79, which pertains to improper neutralization of input during web page generation, leading to XSS. The CVSS 3.1 base score is 5.4 (medium severity), reflecting network attack vector, low attack complexity, required privileges, user interaction, and partial impact on confidentiality and integrity but no impact on availability. No public exploits are known at this time, and no official patches or vendor details are provided in the data. The vulnerability’s scope is limited to the affected ThinkCMF installations running version 6.0.7, specifically those using the slideshow management feature accessible to privileged users.
Potential Impact
For European organizations using ThinkCMF 6.0.7, this vulnerability poses a moderate risk primarily to administrative users managing website content. Successful exploitation could lead to session hijacking, enabling attackers to gain administrative control over the CMS backend. This could result in unauthorized content modification, data leakage, or further pivoting within the organization’s network. Given that ThinkCMF is a CMS framework, organizations relying on it for public-facing websites or intranet portals may face reputational damage, data integrity issues, and potential compliance violations under GDPR if personal data is exposed or manipulated. The impact is heightened in sectors with sensitive data or critical web infrastructure, such as government, finance, and healthcare institutions. However, the requirement for privileges and user interaction limits the attack surface to insiders or attackers who have already compromised lower-level accounts or social engineered administrators. The absence of known exploits reduces immediate threat but does not eliminate risk, especially if attackers develop targeted campaigns. The vulnerability does not affect system availability directly but compromises confidentiality and integrity, which can have cascading operational impacts.
Mitigation Recommendations
1. Immediate mitigation should include restricting access to the slideshow management section to only trusted administrators and enforcing strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of compromised credentials. 2. Implement rigorous input validation and output encoding on all user-supplied data within the slideshow management interface to prevent injection of malicious scripts. 3. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the browser context. 4. Monitor administrative logs for unusual activity that could indicate exploitation attempts, such as unexpected changes in slideshow content or anomalous session behaviors. 5. Since no official patch is currently provided, consider temporarily disabling or limiting the slideshow management feature if feasible until a vendor patch or update is released. 6. Educate administrators on the risks of clicking untrusted links or opening suspicious content within the CMS environment to reduce the likelihood of user interaction-based exploitation. 7. Conduct regular security assessments and penetration tests focusing on web application vulnerabilities, including XSS, to identify and remediate similar issues proactively. 8. Stay informed on vendor communications or security advisories for ThinkCMF to apply patches promptly once available.
Affected Countries
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2022-09-19T00:00:00.000Z
- Cisa Enriched
- true
Threat ID: 682d983fc4522896dcbf0854
Added to database: 5/21/2025, 9:09:19 AM
Last enriched: 6/24/2025, 9:41:40 AM
Last updated: 8/1/2025, 6:38:19 PM
Views: 9
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