RCE in Protected Total Webshield Extension
CVE-2025-8751
A vulnerability was found in Protected Total WebShield Extension up to 3.2.0 on Chrome. It has been classified as problematic. This affects an unknown part of the component Block Page. The manipulation of the argument Category leads to cross site scripting. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Protected Total Webshield Extension — versions 3.0, 3.1, 3.2.0
- Totalwebshield Total Webshield
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
- news.fmisec.com/self-html-injection-in-total-webshield-chrome-extension (related, Exploit, Third Party Advisory)
- news.fmisec.com/self-html-injection-in-total-webshield-chrome-extension (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2025-8751?
- CVE-2025-8751 is a low-severity vulnerability in Protected Total Webshield Extension, classified under Cross-site Scripting. CVSS score: 3.1/10. Published 2025-08-09.
- How severe is CVE-2025-8751?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2025-8751 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.