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CVE-2026-82601— SeaCMS err.php cross site scripting

Quick assessment

Affected
n/a SeaCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SeaCMS是中国SeaCMS公司开源的一款内容管理系统。 SeaCMS 13.6及之前版本存在安全漏洞，该漏洞源于对文件/err.php中参数errtxt的操作，可能导致跨站脚本攻击。

CVSS 4.3 · Medium EPSS 0.45% · P38

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise

Affected Version Matrix 7

VendorProduct Version RangeStatus
n/a SeaCMS 13.0 affected
13.1 affected
13.2 affected
13.3 affected
13.4 affected
13.5 affected
13.6 affected
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I. Basic Information for CVE-2026-82601

Vulnerability Information
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Vulnerability Title
SeaCMS err.php cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in SeaCMS up to 13.6. This affects an unknown part of the file /err.php. Executing a manipulation of the argument errtxt can lead to cross site scripting. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
SeaCMS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SeaCMS是中国SeaCMS公司开源的一款内容管理系统。 SeaCMS 13.6及之前版本存在安全漏洞，该漏洞源于对文件/err.php中参数errtxt的操作，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- SeaCMS 13.0 cpe:2.3:a:seacms:seacms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-82601

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III. Intelligence Information for CVE-2026-82601

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Vendor Advisories for CVE-2026-82601 (1)

Other References for CVE-2026-82601 (3)

Same Patch Batch · n/a · 2026-08-31 · 95 CVEs total

CVE-2026-82954 9.9 CRITICAL Dokploy Settings application.ts writeTraefikConfigInPath path traversal
CVE-2026-82608 7.4 HIGH Kamailio AVP cxdx_avp.c get_4bytes out-of-bounds
CVE-2026-82598 7.3 HIGH SeaCMS Template search.php parseIf code injection
CVE-2026-82630 7.3 HIGH PowerJob Transport Endpoint TestController.java MuConnectionManager.getOrCreateConnection
CVE-2026-82600 7.3 HIGH SeaCMS zyapi.php sql injection
CVE-2026-82599 5.4 MEDIUM SeaCMS Avatar Upload member.php unlink path traversal
CVE-2026-82603 5.4 MEDIUM SeaCMS Comment Cache member.php del_pl path traversal
CVE-2026-82623 5.3 MEDIUM open62541 History Backend ua_history_data_backend_memory.c UA_DataValue_backend_copyRange
CVE-2026-82602 5.3 MEDIUM SeaCMS ass.php authorization
CVE-2026-82821 4.3 MEDIUM FLVMeta AMF Object Parsing amf.c amf_object_get null pointer dereference
CVE-2026-82820 4.3 MEDIUM FLVMeta AMF String Processing amf.c amf_string_new heap-based overflow
CVE-2026-82805 4.3 MEDIUM Typora Mermaid Rendering cross site scripting
CVE-2026-82596 3.3 LOW LatencyUtils PauseDetector LatencyStats.java LatencyStats.recordDetectedPause memory corru
CVE-2026-51725 TOTOLINK T6 权限许可和访问控制问题漏洞
CVE-2026-51728 TOTOLINK T6 安全漏洞
CVE-2026-51721 TOTOLINK T6 安全漏洞
CVE-2026-51722 TOTOLINK T6 安全漏洞
CVE-2026-51720 TOTOLINK T6 权限许可和访问控制问题漏洞
CVE-2026-51718 TOTOLINK T6 安全漏洞
CVE-2026-51719 TOTOLINK T6 安全漏洞

Showing top 20 of 95 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: SeaCMS
Same vendor: n/a
Same weakness: CWE-79

V. Comments for CVE-2026-82601

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