CVE•Published 2026-08-17•Modified 2026-08-20•0 articles on news•5 live references•NVD data

CVE-2026-19988

Vulnerability data via NVD (ingested)

CVSS v3.1

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 82% of all CVEs

Weaknesses (CWE)

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Description

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.

Timeline

Published 2026-08-17

Modified 2026-08-20

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-19988

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-19988

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-19988

Censys host search filtered to this CVE id.

grep.app

CVE-2026-19988