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TI-2021-16729 Aliases CVE-2021-39362GHSA-j39q-gqrr-xv8m

An XSS issue was discovered in ReCaptcha Solver 5.7.

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

An XSS issue was discovered in ReCaptcha Solver 5.7. A response from Anti-Captcha.com, RuCaptcha.com, 2captcha.com, DEATHbyCAPTCHA.com, ImageTyperz.com, or BestCaptchaSolver.com in setCaptchaCode() is inserted into the DOM as HTML, resulting in full control over the user's browser by these servers.

Why it matters now

EPSS 0.00581 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:recaptcha_solver_project:recaptcha_solver:5.7:*:*:*:*:*:*:*5.7VulnerableRecaptcha Solver Project
  • cpe:2.3:a:recaptcha_solver_project:recaptcha_solver:5.7:*:*:*:*:*:*:* Versions 5.7 Vulnerable ·Recaptcha Solver Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-39362
  2. 2026-10-03 Alias added: GHSA-j39q-gqrr-xv8m

References

Sources