Craig Knudsen WebCalendar up to 1.2.6 category.php cross site scripting
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.1 | $0-$5k | 0.00 |
Summary
A vulnerability has been found in Craig Knudsen WebCalendar up to 1.2.6 and classified as problematic. This affects an unknown function of the file category.php. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2013-1421. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability, which was classified as problematic, was found in Craig Knudsen WebCalendar up to 1.2.6 (Calendar Software). This affects an unknown part of the file category.php. 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 summary by CVE is:
Cross-site scripting (XSS) vulnerability in Craig Knudsen WebCalendar before 1.2.5, 1.2.6, and other versions before 1.2.7 allows remote attackers to inject arbitrary web script or HTML via the Category Name field to category.php.
The weakness was shared 04/22/2014 (Website). The advisory is shared at sourceforge.net. This vulnerability is uniquely identified as CVE-2013-1421 since 01/26/2013. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.
By approaching the search of inurl:category.php it is possible to find vulnerable targets with Google Hacking.
Upgrading to version 1.2.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at OSVDB (90669†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Cross site scriptingCWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
Google Hack: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: WebCalendar 1.2.0
Timeline
01/26/2013 🔍04/22/2014 🔍
04/22/2014 🔍
03/25/2015 🔍
05/11/2026 🔍
Sources
Advisory: sourceforge.netStatus: Confirmed
Confirmation: 🔍
CVE: CVE-2013-1421 (🔍)
GCVE (CVE): GCVE-0-2013-1421
GCVE (VulDB): GCVE-100-69429
OSVDB: 90669
Entry
Created: 03/25/2015 16:45Updated: 05/11/2026 12:16
Changes: 03/25/2015 16:45 (49), 03/09/2019 10:44 (2), 05/11/2026 12:16 (19)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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