CVE-2015-8807

Cross-site scripting (XSS) vulnerability in the _renderVarInput_number function in horde...

6.1 MediumFix available

Cross-site scripting (XSS) vulnerability in the _renderVarInput_number function in horde/framework/Core/lib/Horde/Core/Ui/VarRenderer/Html.php in Horde Groupware before 5.2.12 and Horde Groupware Webmail Edition before 5.2.12 allows remote attackers to inject arbitrary web script or HTML via vectors involving numeric form fields.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

2.06%Up 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 6.1

Record: CVE-2015-8807
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-8807
Updated: 2026-11-02

EUVDEUVD-2015-8675 No score

Record: EUVD-2015-8675
Updated: 2026-11-03

GitHub AdvisoriesGHSA-whm8-gjx5-crg3 6.1

Cross-site scripting (XSS) vulnerability in the _renderVarInput_number function in horde...

Record: GHSA-whm8-gjx5-crg3
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

OSV 6.1

Record: CVE-2015-8807
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-8807 6.1

Record: DEBIAN-CVE-2015-8807
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2015-8807 6.1

Record: UBUNTU-CVE-2015-8807
CVSS 3.0: 6.1 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`php-horde-core` Debian:12	before 2.22.4+debian0-1, plus listed versions 1.8.3-11.8.3-1.12.0.4-12.1.0-12.1.1-1 Show 16 moreShow less 2.1.3-12.1.4-12.1.4-22.1.5-12.10.1-12.10.2-12.11.1+dfsg0-12.11.1-12.11.1-22.4.3-12.5.0-12.6.0-12.6.6-12.7.0-12.8.0-12.9.0-1	2.22.4+debian0-1
`php-horde-core` Debian:8	before 2.15.0+debian0-1+deb8u1	2.15.0+debian0-1+deb8u1
`php-horde-core` Ubuntu:Pro:14.04:LTS	before 2.11.1-2ubuntu0.1~esm1, plus listed versions 2.7.0-12.11.1-12.11.1-2	2.11.1-2ubuntu0.1~esm1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-8807 is a medium vulnerability (CVSS 6.1) in Horde Groupware, published February 28, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.06%, the 81st percentile. Fixed in php-horde-core 2.22.4+debian0-1.

References

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