Framework Filter Package up to 3.0.5/4.0.1 on Joomla checkAttribute cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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2.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Framework Filter Package up to 3.0.5/4.0.1 on Joomla. Affected is the function checkAttribute. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-48903. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Framework Filter Package up to 3.0.5/4.0.1 on Joomla and classified as problematic. Affected by this issue is the function checkAttribute. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. CVE summarizes:

Inadequate content filtering within the checkAttribute methods leads to XSS vulnerabilities in various components.

The weakness was presented by JSST. The advisory is available at developer.joomla.org. This vulnerability is handled as CVE-2026-48903 since 05/26/2026. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1688). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source Joomla

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.4

VulDB Base Score: 2.4
VulDB Temp Score: 2.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/26/2026 Advisory disclosed
05/26/2026 +0 days CVE reserved
05/26/2026 +0 days VulDB entry created
05/28/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: developer.joomla.org
Researcher: JSST
Status: Confirmed

CVE: CVE-2026-48903 (🔒)
GCVE (CVE): GCVE-0-2026-48903
GCVE (VulDB): GCVE-100-365738
CERT Bund: WID-SEC-2026-1688 - Joomla: Mehrere Schwachstellen

Entryinfo

Created: 05/26/2026 19:52
Updated: 05/28/2026 01:29
Changes: 05/26/2026 19:52 (67), 05/28/2026 01:29 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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