Yzmcms
CVE-2021-36712
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.46%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
Cross Site Scripting (XSS) vulnerability in yzmcms 6.1 allows attackers to steal user cookies via image clipping function. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
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.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
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. Cross Site Scripting (XSS) vulnerability in yzmcms 6.1 allows attackers to steal user cookies via image clipping function. Affected products include: Yzmcms.
Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Cross Site Scripting (XSS) vulnerability in yzmcms 6.1 allows attackers to steal user cookies via image clipping function.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
YzmCMS v5.2 has admin/role/add.html CSRF. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no
Eval injection in yzmphp/core/function/global.func.php in YzmCMS v3.7.1 allows remote attackers to achieve arbitrary cod
\application\admin\controller\update_urls.class.php in YzmCMS 3.6 has SQL Injection via the catids array parameter to ad
Cross Site Scripting (XSS) vulnerability in YzmCMS 7.0 allows attackers to run arbitrary code via Ads Management, Carous
An issue was discovered in YzmCMS 3.8. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low
An issue was discovered in YzmCMS 3.8. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low
admin/urlrule/add.html in YzmCMS 5.3 allows CSRF with a resultant denial of service by adding a superseding route. Rated
member/index/register.html in YzmCMS 6.5 through 7.0 allows XSS via the Referer HTTP header. Rated medium severity (CVSS
A cross-site scripting (XSS) vulnerability in the Publish Article function of yzmcms v7.1 allows attackers to execute ar
An issue in the component /member/index/login of yzmcms v7.0 allows attackers to direct users to malicious sites via a c
In YzmCMS v5.5 the member contribution function in the editor contains a cross-site scripting (XSS) vulnerability. Rated
An HTTP Host header injection vulnerability exists in YzmCMS V5.3. Rated medium severity (CVSS 6.1), this vulnerability
Exploit-DB