Horde Groupware Webmail Edition up to 5.2.22 Text Filter Library Text2html.php preProcess cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Horde Groupware Webmail Edition up to 5.2.22 (Groupware Software). This affects the function preProcess of the file Text2html.php of the component Text Filter Library. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The weakness was presented 02/14/2021. It is possible to read the advisory at alexbirnberg.com. This vulnerability is uniquely identified as CVE-2021-26929. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

By approaching the search of inurl:Text2html.php it is possible to find vulnerable targets with Google Hacking.

Upgrading eliminates this vulnerability. The upgrade is hosted for download at lists.horde.org.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-74 / CWE-707
ATT&CK: T1059.007

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: lists.horde.org

Timelineinfo

02/09/2021 🔍
02/14/2021 +5 days 🔍
02/14/2021 +0 days 🔍
03/01/2021 +15 days 🔍

Sourcesinfo

Vendor: horde.org

Advisory: alexbirnberg.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-26929 (🔍)

Entryinfo

Created: 02/14/2021 11:08
Updated: 03/01/2021 16:46
Changes: 02/14/2021 11:08 (42), 03/01/2021 16:41 (5), 03/01/2021 16:46 (18)
Complete: 🔍

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