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Fencer Intel
medium 4.3

CVE-2015-4656 json

Multiple cross-site scripting (XSS) vulnerabilities in Synology Photo Station before 6.3-2945 allow remote attackers to inject arbitrary we…

published 2015-06-18 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-4675

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in Synology Photo Station before 6.3-2945 allow remote attackers to inject arbitrary web script or HTML via the (1) success parameter to login.php or (2) crafted URL parameters to index.php, as demonstrated by the t parameter to photo/.

Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securify.nl https://www.securify.nl/advisory/SFY20150504/synology_photo_station_multiple_cross_site_scripting_vulnerabilities.html 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.