How severe is CVE-2022-23515?

CVE-2022-23515 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-2022-23515 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-23515?

CVE-2022-23515 primarily affects Loofah Project Loofah. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-23515?

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

When was CVE-2022-23515 published?

CVE-2022-23515 was published on 2022-12-14 and last updated on 2026-06-17.

CVE-2022-23515

CVE-2022-23515 is a medium-severity vulnerability in Loofah Project Loofah 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)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Loofah Project Loofah
Published: 2022-12-14
Last modified: 2026-06-17

Description

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah >= 2.1.0, < 2.19.1 is vulnerable to cross-site scripting via the image/svg+xml media type in data URIs. This issue is patched in version 2.19.1.

Frequently asked questions

What is CVE-2022-23515?: Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah >= 2.1.0, < 2.19.1 is vulnerable to cross-site scripting via the image/svg+xml media type in data URIs. This issue is patched in version 2.19.1.
How severe is CVE-2022-23515?: CVE-2022-23515 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-2022-23515 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-23515?: CVE-2022-23515 primarily affects Loofah Project Loofah. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-23515?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-23515 published?: CVE-2022-23515 was published on 2022-12-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:loofah_project:loofah:*:*:*:*:*:ruby:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

More vulnerabilities in Loofah Project Loofah

CVE-2022-23516 — High (CVSS 7.5): Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of…
CVE-2022-23514 — High (CVSS 7.5): Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of…
CVE-2022-23518 — Medium (CVSS 6.1): rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are…
CVE-2018-8048 — Medium (CVSS 6.1): In the Loofah gem through 2.2.0 for Ruby, non-whitelisted HTML attributes may occur in sanitized output by republishing…
CVE-2019-15587 — Medium (CVSS 5.4): In the Loofah gem for Ruby through v2.3.0 unsanitized JavaScript may occur in sanitized output when a crafted SVG…
CVE-2018-16468 — Medium (CVSS 5.4): In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG…

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