CVE-2026-102398: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in supsystic Popup by Supsystic
Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.13.1 versions.
AI Analysis
Technical Summary
This vulnerability (CWE-79) in Popup by Supsystic (<= 1.13.1) allows unauthenticated attackers to inject malicious scripts due to improper input neutralization during web page generation. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation could lead to execution of arbitrary scripts in the context of the affected web application, potentially allowing attackers to steal user data, manipulate content, or disrupt service. The impact affects confidentiality, integrity, and availability at a low level each, as indicated by the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider applying input validation or output encoding workarounds if feasible. Monitor official vendor channels for updates.
CVE-2026-102398: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in supsystic Popup by Supsystic
Description
Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.13.1 versions.
CVSS v3.1
Score 7.1high
Affected software
supsystic
Popup by Supsystic
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-79) in Popup by Supsystic (<= 1.13.1) allows unauthenticated attackers to inject malicious scripts due to improper input neutralization during web page generation. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No known exploits are reported in the wild. No patch or remediation details are provided in the available data.
Potential Impact
Successful exploitation could lead to execution of arbitrary scripts in the context of the affected web application, potentially allowing attackers to steal user data, manipulate content, or disrupt service. The impact affects confidentiality, integrity, and availability at a low level each, as indicated by the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider applying input validation or output encoding workarounds if feasible. Monitor official vendor channels for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-09-29T00:15:56.342Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abd08b92a4e24523d06867a
Added to database: 09/30/2026, 13:03:53 UTC
Last enriched: 09/30/2026, 13:05:50 UTC
Last updated: 10/01/2026, 00:07:59 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.