CVE-2011-4856

critical
Published 2011-12-16 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
9.3

Description

The Control Panel in Parallels Plesk Panel 10.4.4_build20111103.18 sends incorrect Content-Type headers for certain resources, which might allow remote attackers to have an unspecified impact by leveraging an interpretation conflict involving admin/health/parameters and certain other files. NOTE: it is possible that only clients, not the Plesk product, could be affected by this issue.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

windows Windows Fixed 1 release
VersionStatusFixed in
- Not affected โ€”

Application impact

VendorProductVersionsFixed
parallelsparallels_plesk_panel10.4.4_build20111103.18

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.