Answer in brief
CVE-2026-19988 records a Unknown severity vulnerability in Alaev SEO Tools Extension Popup UI popup.html addDiv cross site scripting. The current sources do not mark it as known exploited. The current feed maps Alaev/SEO Tools Extension (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Alaev/SEO Tools Extension (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Alaev/SEO Tools Extensiongeneric | 1.0.0 || 1.0.1 || 1.0.2 || 1.0.3 || 1.0.4 || 1.0.5 || 1.0.6 || 1.0.7 || 1.0.8 || 1.0.9 || 1.0.10 | Not reported |
Published upstream
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 17, 2026
A vulnerability was detected in Alaev SEO Tools Extension up to 1.0.10 on Chrome. This impacts the function addDiv of the file src/popup.html of the component Popup UI. Performing a manipulation results in basic cross site scripting. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-19988 records a Unknown severity vulnerability in Alaev SEO Tools Extension Popup UI popup.html addDiv cross site scripting. The current sources do not mark it as known exploited. The current feed maps Alaev/SEO Tools Extension (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Alaev/SEO Tools Extension (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Alaev/SEO Tools Extensiongeneric | 1.0.0 || 1.0.1 || 1.0.2 || 1.0.3 || 1.0.4 || 1.0.5 || 1.0.6 || 1.0.7 || 1.0.8 || 1.0.9 || 1.0.10 | Not reported |
Published upstream
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 17, 2026
A vulnerability was detected in Alaev SEO Tools Extension up to 1.0.10 on Chrome. This impacts the function addDiv of the file src/popup.html of the component Popup UI. Performing a manipulation results in basic cross site scripting. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Quoted source text, attributed separately from HOL analysis.