Medium
Emlog is Vulnerable to Stored Cross-Site Scripting (XSS) in "Twitter" Feature via Markdown Input
Type: advisorySources: OSV
Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the "Twitter"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a "Twitter" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-61599
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 01:33 UTC · Revision 1
Source evidence
Emlog is Vulnerable to Stored Cross-Site Scripting (XSS) in "Twitter" Feature via Markdown Input
core-osv · Original sourcePublished 3 Oct 2025, 06:27 UTC
Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the "Twitter"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a "Twitter" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.
osv:CVE-2025-61599
Complete source record
{
"id": "b99e9dea81db0276c2ccfc767896e9dafd3db2f6183f9bd6f0214709079a3711",
"url": "https://osv.dev/vulnerability/CVE-2025-61599",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Emlog is Vulnerable to Stored Cross-Site Scripting (XSS) in \"Twitter\" Feature via Markdown Input",
"summary": "Emlog is an open source website building system. A stored Cross-Site Scripting (XSS) vulnerability exists in the \"Twitter\"feature of EMLOG Pro 2.5.21 and below. An authenticated user with privileges to post a \"Twitter\" message can inject arbitrary JavaScript code. The malicious script is stored on the server and gets executed in the browser of any user, including administrators, when they click on the malicious post to view it. This issue does not currently have a fix.",
"evidence": "osv:CVE-2025-61599",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2025-61599",
"aliases": [
"CVE-2025-61599",
"GHSA-rm5c-mjpg-vm89"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/emlog/emlog",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "df62cfd2ffa28a29af3442ba8c942ee7ab581f98"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.5.21"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"cpe": "cpe:2.3:a:emlog:emlog:*:*:*:*:pro:*:*:*",
"range": [
{
"introduced": "0"
},
{
"last_affected": "2.5.21"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"pro-2.5.20",
"pro-1.0.0",
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"pro-2.1.1",
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"pro-1.5.0.new",
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"6.1.0",
"6.0.0",
"5.3.1",
"emlog_5.3.0",
"emlog_5.2.1",
"emlog_5.2.0",
"emlog_5.1.2"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-61599.json"
}
}
],
"modified": "2026-10-28T02:30:24.996979210Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/61xxx/CVE-2025-61599.json",
"https://github.com/emlog/emlog/security/advisories/GHSA-rm5c-mjpg-vm89",
"https://nvd.nist.gov/vuln/detail/CVE-2025-61599"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/61xxx/CVE-2025-61599.json"
}
},
"related_cves": [
{
"value": "CVE-2025-61599",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 491654,
"published_at": "2025-10-03T06:27:46.228+00:00"
}