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Fencer Intel
medium 4.3

CVE-2012-4396 json

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.2 allow remote attackers to inject arbitrary web script or HTML…

published 2012-09-05 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4336

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) file names to apps/user_ldap/settings.php; (2) url or (3) title parameter to apps/bookmarks/ajax/editBookmark.php; (4) tag or (5) page parameter to apps/bookmarks/ajax/updateList.php; (6) identity to apps/user_openid/settings.php; (7) stack name in apps/gallery/lib/tiles.php; (8) root parameter to apps/gallery/templates/index.php; (9) calendar displayname in apps/calendar/templates/part.import.php; (10) calendar uri in apps/calendar/templates/part.choosecalendar.rowfields.php; (11) title, (12) location, or (13) description parameter in apps/calendar/lib/object.php; (14) certain vectors in core/js/multiselect.js; or (15) artist, (16) album, or (17) title comments parameter in apps/media/lib_scanner.php.

Patch / fix

Exploit prediction

2.48% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/owncloud/core/commit/f8337c9d723039760eecccf68bcb02752551e254 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/8f616ecf76aac4a8b554fbf5a90b1645d0f25438 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/8f09299e2468dfc4f9ec72b05acf47de3ef9d1d7 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/e817504569dce49fd7a677fa510e500394af0c48 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/d294373f476c795aaee7dc2444e7edfdea01a606 referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/cc653a8a408adfb4d0cd532145668aacd85ad96c referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/f955f6a6857754826af8903475688ba54f72c1bb referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/owncloud/core/commit/44260a552cd4ee50ee11eee45164c725f56f7027 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.