EUVD-2021-34793
GHSA-6jxm-mv8c-gh34
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
2DescriptionCVE.org
Exponent CMS 2.6 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Title and Text Block parameters in the text editing endpoint. Attackers can inject iframe payloads with embedded SVG onload events to execute arbitrary JavaScript, and the application also exposes database credentials in responses and lacks brute-force protection on authentication endpoints.
AnalysisAI
Exponent CMS 2.6 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Title and Text Block parameters in the text editing. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Exponent CMS 2.6 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Title and Text Block parameters in the text editing endpoint. Attackers can inject iframe payloads with embedded SVG onload events to execute arbitrary JavaScript, and the application also exposes database credentials in responses and lacks brute-force protection on authentication endpoints. Affected products include: Exponentcms Exponent Cms.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
More in Exponent Cms
View allMultiple SQL injection vulnerabilities in Exponent CMS before 2.4.0 allow remote attackers to execute arbitrary SQL comm
Exponent CMS 2.x before 2.3.7 Patch 3 allows remote attackers to execute arbitrary code via the sc parameter to install/
Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. Rated critical severity (CV
Exponent CMS 2.3.9 suffers from a remote code execution vulnerability in /install/index.php. Rated critical severity (CV
Exponent CMS 2.4.1 and earlier has SQL injection via a base64 serialized API key (apikey parameter) in the api function
SQL injection vulnerability in framework/core/models/expConfig.php in Exponent CMS 2.3.9 and earlier allows remote attac
In framework/modules/core/controllers/expCommentController.php of Exponent CMS 2.4.0, content_id input is passed into sh
Multiple SQL injection vulnerabilities in Exponent CMS before 2.2.0 release candidate 1 allow remote attackers to execut
Directory traversal vulnerability in install/popup.php in Exponent CMS before 2.2.0 RC1 allows remote attackers to inclu
Multiple cross-site scripting (XSS) vulnerabilities in Exponent CMS before 2.1.4 patch 6, 2.2.x before 2.2.3 patch 9, an
SQL injection vulnerability in framework/modules/filedownloads/controllers/filedownloadController.php in Exponent CMS 2.
SQL injection vulnerability in framework/modules/help/controllers/helpController.php in Exponent CMS 2.3.9 and earlier a
Same weakness CWE-79 – Cross-site Scripting (XSS)
View allShare
External POC / Exploit Code
Leaving vuln.today