How severe is CVE-2022-27777?

CVE-2022-27777 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-27777 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27777?

CVE-2022-27777 primarily affects Rubyonrails Actionpack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-27777?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-27777 published?

CVE-2022-27777 was published on 2022-05-26 and last updated on 2026-06-17.

CVE-2022-27777

CVE-2022-27777 is a medium-severity vulnerability in Rubyonrails Actionpack with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rubyonrails Actionpack
Published: 2022-05-26
Last modified: 2026-06-17

Description

A XSS Vulnerability in Action View tag helpers >= 5.2.0 and < 5.2.0 which would allow an attacker to inject content if able to control input into specific attributes.

Frequently asked questions

What is CVE-2022-27777?: A XSS Vulnerability in Action View tag helpers >= 5.2.0 and < 5.2.0 which would allow an attacker to inject content if able to control input into specific attributes.
How severe is CVE-2022-27777?: CVE-2022-27777 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-27777 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27777?: CVE-2022-27777 primarily affects Rubyonrails Actionpack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-27777?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-27777 published?: CVE-2022-27777 was published on 2022-05-26 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:rubyonrails:actionpack:*:*:*:*:*:ruby:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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