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CVE-2026-73628

🗓️ 13 Aug 2026 11:28:26Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 30 Views🌐 WEB

Serendipity 2.3.5-2.6.0 reflected XSS via search route where urldecode runs after HTML encoding.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-73628
13 Aug 202613:12
circl
cvelist
Cvelist
CVE-2026-73628 Serendipity 2.3.5 Reflected XSS via search clean-URL route
13 Aug 202611:28
cvelist
euvd
EUVD
EUVD-2026-57797
13 Aug 202611:28
euvd
nvd
NVD
CVE-2026-73628
13 Aug 202612:17
nvd
ptsecurity
Positive Technologies
PT-2026-71456
13 Aug 202600:00
ptsecurity
ubuntucve
UbuntuCve
CVE-2026-73628
13 Aug 202612:17
ubuntucve
vulnrichment
Vulnrichment
CVE-2026-73628 Serendipity 2.3.5 Reflected XSS via search clean-URL route
13 Aug 202611:28
vulnrichment
CNA
Node
OR
s9yserendipityMatch2.5.0-
s9yserendipityMatch2.4.0-
s9yserendipityMatch2.6.0beta1
s9yserendipityMatch2.6.0-
s9yserendipityMatch2.4.0beta1
s9yserendipityMatch2.3.5
[
  {
    "vendor": "s9y",
    "product": "Serendipity",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0",
        "status": "unaffected",
        "versionType": "semver",
        "lessThan": "2.3.5"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
termpath/search/<term>Reflected cross-site scripting via the search term in the /search/<term> route due to sanitisation ordering (urldecode after HTML-encoding) allowing a crafted URL-encoded HTML payload to survive stripping and be decoded in-page.CWE-79

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13 Aug 2026 16:19Current
5.2Medium risk
Vulners AI Score5.2
CVSS 45.3
CVSS 3.16.1
EPSS0.00155
SSVC
30