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CVE-2026-6978— JiZhiCMS addcache.html htmlspecialchars_decode sql injection

Quick assessment

Affected
n/a JiZhiCMS
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.

JIZHICMS（极致CMS）是中国极致（JIZHI）公司的一套开源的内容管理系统（CMS）。 JIZHICMS 2.5.6及之前版本存在注入漏洞，该漏洞源于文件/index.php/admins/Sys/addcache.html中函数htmlspecialchars_decode对参数sqls操作不当，可能导致SQL注入。

CVSS 4.7 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-6978

Vulnerability Information
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Vulnerability Title
JiZhiCMS addcache.html htmlspecialchars_decode sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in JiZhiCMS up to 2.5.6. The impacted element is the function htmlspecialchars_decode of the file /index.php/admins/Sys/addcache.html. The manipulation of the argument sqls results in sql injection. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
JIZHICMS 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JIZHICMS（极致CMS）是中国极致（JIZHI）公司的一套开源的内容管理系统（CMS）。 JIZHICMS 2.5.6及之前版本存在注入漏洞，该漏洞源于文件/index.php/admins/Sys/addcache.html中函数htmlspecialchars_decode对参数sqls操作不当，可能导致SQL注入。
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
- JiZhiCMS 2.5.0 cpe:2.3:a:jizhicms:jizhicms:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-6978

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III. Intelligence Information for CVE-2026-6978

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Vendor Advisories for CVE-2026-6978 (1)

Same Patch Batch · n/a · 2026-04-25 · 5 CVEs total

CVE-2026-6951 9.8 CRITICAL Simple Git 代码注入漏洞
CVE-2026-6987 7.3 HIGH PicoClaw Web Launcher Management Plane restart command injection
CVE-2026-6994 6.3 MEDIUM Envoy Query Parameter header_mutation.cc params.add injection
CVE-2026-6983 4.7 MEDIUM pagekit download server-side request forgery

IV. Related Vulnerabilities

Same product: JiZhiCMS
Same vendor: n/a
Same weakness: CWE-89

V. Comments for CVE-2026-6978

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