CVE-2017-8899: invisioncommunity invision_power_board Cross-site Scripting
Vulnerability summary
CVE-2017-8899 is a high (CVSS 8.1) Cross-site Scripting vulnerability in invisioncommunity invision_power_board. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.6% of scored vulnerabilities. 3 public exploits are recorded.
Timeline
- 11-05-2017PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
Invision Power Services (IPS) Community Suite 4.1.19.2 and earlier has a composite of Stored XSS and Information Disclosure issues in the attachments feature found in User CP. This can be triggered by any Invision Power Board user and can be used to gain access to moderator/admin accounts. The primary cause is the ability to upload an SVG document with a crafted attribute such an onload; however, full path disclosure is required for exploitation.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.48%
Chance of exploitation in the next 30 days
Percentile
74%
Versus all other CVEs
30-day change
+0.13 pp
From 1.35% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (zeroday.insecurity.zone)
Maturity: unknown
Exploit Reference (twitter.com)
Maturity: unknown
Exploit Reference (twitter.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')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.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Invisioncommunity1 product
- invision_power_board≤ 4.1.19.2
1 vendor · 1 product