VulnerabilityDeferred
CVE-2026-19988
A vulnerability was detected in Alaev SEO Tools Extension up to 1.0.10 on Chrome.
LOW 2.1EPSS 0.27%
Does this matter?
Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own.
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.
- 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:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.27% probability · 19th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-74, CWE-80
- Source
- cna@vuldb.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.