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VulnerabilityPublished

CVE-2026-36761: jeesite · A Stored Cross-site Scripting (XSS)

Affects jeesiteSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
GitHubthinkgem/jeesitepkg:github/thinkgem/jeesiteOther threatsAffected
  • =5.15.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until an official fix is available, users should consider applying input validation or output encoding controls on the msgContent parameter to mitigate injection risks. Monitor vendor channels for updates regarding patches or official mitigations.

Description

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.

References

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