What is CVE-2025-51691?

CVE-2025-51691 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-13.

How severe is CVE-2025-51691?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-51691 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in N/a

CVE-2025-51691

Cross-Site Scripting (XSS) vulnerability found in MarkTwo commit e3a1d3f90cce4ea9c26efcbbf3a1cbfb9dcdb298 (May 2025) allows a remote attacker to execute arbitrary code via a crafted script input to the editor interface. The application doe…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-51691?: CVE-2025-51691 is a medium-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-13.
How severe is CVE-2025-51691?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-51691 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.