CVE-2026-77391: CSRF (CVSS 4.3)

Description

A security flaw has been discovered in SourceCodester Dynamic Input Field Generator Using HTML, CSS, and PHP 1.0. This affects an unknown function. The manipulation results in cross-site request forgery. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0018

Probability of exploitation

0.08%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

CWE-862 Missing Authorization

References

Other References

https://gist.github.com/rionyxraiza/428d4481fe471704829ca06de7be9d8c https://vuldb.com/cve/CVE-2026-77391 https://vuldb.com/submit/881030 https://vuldb.com/vuln/393853 https://vuldb.com/vuln/393853/cti https://www.sourcecodester.com/ https://vuldb.com/submit/881030

Frequently Asked Questions

What is CVE-2026-77391? +

A security flaw has been discovered in SourceCodester Dynamic Input Field Generator Using HTML, CSS, and PHP 1.0. This affects an unknown function. The manipulation results in cross-site request forgery. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-77391? +

CVE-2026-77391 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-77391? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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