CVE-2026-66623: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Inisev Social Media & Share Icons
Unauthenticated Cross Site Scripting (XSS) in Social Media & Share Icons <= 2.9.9 versions.
AI Analysis
Technical Summary
This vulnerability, identified as CWE-79 (Improper Neutralization of Input During Web Page Generation), affects Inisev's Social Media & Share Icons plugin versions <= 2.9.9. It allows unauthenticated attackers to perform cross-site scripting (XSS) attacks by injecting malicious scripts into web pages generated by the plugin. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to partial compromise of confidentiality, integrity, and availability of affected web applications. Attackers may execute arbitrary scripts in the context of users visiting the affected site, potentially leading to session hijacking, defacement, or other malicious actions.
Mitigation Recommendations
No official fix or patch is currently available. Users should monitor the vendor's official channels for updates and apply patches promptly once released. Until then, consider implementing web application firewall (WAF) rules to detect and block XSS attempts as a temporary mitigation.
CVE-2026-66623: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Inisev Social Media & Share Icons
Description
Unauthenticated Cross Site Scripting (XSS) in Social Media & Share Icons <= 2.9.9 versions.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CWE-79 (Improper Neutralization of Input During Web Page Generation), affects Inisev's Social Media & Share Icons plugin versions <= 2.9.9. It allows unauthenticated attackers to perform cross-site scripting (XSS) attacks by injecting malicious scripts into web pages generated by the plugin. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can lead to partial compromise of confidentiality, integrity, and availability of affected web applications. Attackers may execute arbitrary scripts in the context of users visiting the affected site, potentially leading to session hijacking, defacement, or other malicious actions.
Mitigation Recommendations
No official fix or patch is currently available. Users should monitor the vendor's official channels for updates and apply patches promptly once released. Until then, consider implementing web application firewall (WAF) rules to detect and block XSS attempts as a temporary mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-27T14:00:26.965Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8c3087acd9273b497933f9
Added to database: 08/24/2026, 11:52:39 UTC
Last enriched: 08/24/2026, 12:07:19 UTC
Last updated: 08/25/2026, 02:51:59 UTC
Views: 6
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.