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Fencer Intel
medium 4.3

CVE-2015-5520 json

Cross-site scripting (XSS) vulnerability in the Users module in Orchard 1.7.3 through 1.8.2 and 1.9.x before 1.9.1 allows remote attackers…

published 2015-07-14 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-5475

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in the Users module in Orchard 1.7.3 through 1.8.2 and 1.9.x before 1.9.1 allows remote attackers to inject arbitrary web script or HTML via the username when creating a new user account, which is not properly handled when deleting an account.

Patch / fix

Timeline

  1. First public exploit (EDB-37533)
  2. Published

Exploit prediction

3.96% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-37533 Orchard CMS 1.7.3/1.8.2/1.9.0 - Persistent Cross-Site Scripting webapps, 2015-07-08
  • packetstormsecurity.com http://packetstormsecurity.com/files/132583/Orchard-CMS-1.9.0-1.8.2-1.7.3-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified
  • seclists.org http://seclists.org/fulldisclosure/2015/Jul/32 referenced PoC, tagged "exploit" by a source, unverified
  • projectzero.gr https://projectzero.gr/en/2015/07/orchard-persistent-xss-vulnerability/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.