Medium severity · published Mar 26, 2026
CVE-2026-29933
A reflected cross-site scripting (XSS) vulnerability in the /index/login.html component of YZMCMS v7.4 allows attackers to execute arbitrary Javascript in the context of the…
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
A reflected cross-site scripting (XSS) vulnerability in the /index/login.html component of YZMCMS v7.4 allows attackers to execute arbitrary Javascript in the context of the user's browser via modifying the referrer value in the request header.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
YZ
Yzmcms · Yzmcms
7.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-29933
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-29933
Exploit
https://github.com/yzmcms/yzmcms/issues/69
More from Yzmcms
9.8
CVE-2018-11554
The forgotten-password feature in index.php/member/reset/reset_email.html in YzmCMS v3.2 through v3.7 has a Response Discrepancy Information Exposure issue and an unexpectedly…
9.1
CVE-2022-23383
YzmCMS v6.3 is affected by broken access control
8.8
CVE-2020-23595
Cross Site Request Forgery (CSRF) vulnerability in yzmcms version 5.6, allows remote attackers to escalate privileges and gain sensitive information sitemodel/add.html endpoint
8.8
CVE-2022-23384
YzmCMS v6.3 is affected by Cross Site Request Forgery (CSRF) in /admin.add
8.8
CVE-2022-23888
YzmCMS v6.3 was discovered to contain a Cross-Site Request Forgey (CSRF) via the component /yzmcms/comment/index/init.html