CVSS 4.0
2.1 lowCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:PCVE-2026-19988
Low (2.1). EPSS 0.4% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
4.3 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N- EPSS
- 0.4% chance of exploitation in the next 30 days; higher than 39% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-74, CWE-80
- Published
- Modified
- Record from
- the NVD, synced
References
- https://github.com/xryj920/chrome_extensions/blob/main/Alaev%20%26%20Co%20Alaev%20SEO%20Tools%201.0.10%20allows%20extension%20popup%20UI%20injection%20through%20unsanitized%20page%20SEO%20fields
- https://vuldb.com/cve/CVE-2026-19988
- https://vuldb.com/submit/873939
- https://vuldb.com/vuln/391192
- https://vuldb.com/vuln/391192/cti