phpBB up to 3.2.7 CSS BBcode injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in phpBB up to 3.2.7. This issue affects some unknown processing of the component CSS Handler. Performing a manipulation as part of BBcode results in injection. This vulnerability is identified as CVE-2019-16108. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in phpBB up to 3.2.7 (Forum Software). It has been classified as critical. This affects some unknown functionality of the component CSS Handler. The manipulation as part of a BBcode leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on integrity. The summary by CVE is:

phpBB 3.2.7 allows adding an arbitrary Cascading Style Sheets (CSS) token sequence to a page through BBCode.

The weakness was released 03/20/2020 (Website). The advisory is shared at phpbb.com. This vulnerability is uniquely identified as CVE-2019-16108 since 09/08/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

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

Entry connected to this vulnerability is available at VDB-151302. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
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

09/08/2019 🔍
03/20/2020 +194 days 🔍
03/20/2020 +0 days 🔍
10/04/2020 +198 days 🔍

Sourcesinfo

Product: phpbb.com

Advisory: phpbb.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-16108 (🔍)
GCVE (CVE): GCVE-0-2019-16108
GCVE (VulDB): GCVE-100-151881
See also: 🔍

Entryinfo

Created: 03/20/2020 08:03
Updated: 10/04/2020 10:30
Changes: 03/20/2020 08:03 (38), 03/20/2020 08:08 (18), 10/04/2020 10:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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