CVE-2026-36761

MEDIUMNVD 6.16.1—Elevated

6.1

A stored cross-site scripting (XSS) vulnerability in the /msg/msgInner/save endpoint of JeeSite v5.15.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the msgContent parameter.

CVSS v3: 6.1
EG Score: 6.1(high)
EPSS: 9.6%
KEV: Not listed

Published

April 30, 2026

Last Modified

April 30, 2026

Advisory Details (2)

Auto-updated Apr 30, 2026

No patch confirmed yet.

generic

Stored XSS Vulnerability in msgContent Parameter of /a/msg/msgInner/save Endpoint · Issue #528 · thinkgem/jeesite · GitHub

https://github.com/thinkgem/jeesite/issues/528

generic

GitHub - thinkgem/jeesite: 👍Java 低代码, 轻量级, Spring Boot, MyBatis, Flowable, TypeScript, Vue, Antdv, 包括核心模块如：组织机构、角色用户、权限授权、数据权限、内容管理、工作流、Spring Cloud 微服务等。 · GitHub

https://github.com/thinkgem/jeesite

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 13× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 15:01 UTCEG score recompute
2026-05-20 15:01 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-36761?

CVE-2026-36761 is a medium vulnerability published on April 30, 2026. A stored cross-site scripting (XSS) vulnerability in the /msg/msgInner/save endpoint of JeeSite v5.15.1 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted input into the msgContent parameter.

When was CVE-2026-36761 disclosed?

CVE-2026-36761 was first published in the National Vulnerability Database on April 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-36761 actively exploited?

CVE-2026-36761 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-36761?

CVE-2026-36761 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2026-36761?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-36761, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-36761

📅 Published

🔄 Last Modified

📋 Advisory Details (2)