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CVE Record

CVE-2021-21668: Jenkins Scriptler Plugin 3.1 and earlier does not escape script content, resulting in a stored cross-site s...

Jenkins Scriptler Plugin 3.1 and earlier does not escape script content, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Scriptler/Configure permission.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

A Jenkins plugin used to manage scripts stored script content unsafely. A user with Scriptler/Configure permission could store malicious content that runs in another user's browser. This can affect administrator sessions and Jenkins integrity, but the sources indicate a permission prerequisite and do not cite active exploitation. Exposure is limited to Jenkins instances with Scriptler Plugin 3.1 or earlier installed. Risk is higher where Scriptler/Configure is delegated beyond highly trusted administrators or where Jenkins is broadly accessible. Treat as a targeted Jenkins administration risk, not a broad unauthenticated emergency. Prioritize environments where Scriptler is installed, permissions are widely delegated, or Jenkins has sensitive build and deployment access. Mitigation focus: Inventory Jenkins instances for Scriptler Plugin installation and version.; Restrict Scriptler/Configure permission to trusted administrators only.; Check Jenkins advisory and plugin manager for vendor remediation guidance..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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CVE-2021-21668 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
Jenkins projectJenkins Scriptler PluginunspecifiedListed
Weakness

CWE details

No CWE listed

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