Security readout for executives and security teams
Plain-English summary
CVE-2019-10219 is an XSS weakness in Hibernate Validator’s SafeHtml annotation. It may allow malicious script-like content hidden in HTML comments or processing instructions to survive validation and later execute when rendered by an application.
Executive priority
Schedule remediation in the normal vulnerability queue, faster for internet-facing applications that render user-supplied HTML. Business impact is mainly account, session, or data exposure through XSS rather than infrastructure takeover.
Technical view
SafeHtml did not properly sanitize potentially malicious HTML comments and instructions, mapping to CWE-79. The CVSS 3.0 score is 6.5 with network attack vector, low complexity, no privileges, and no user interaction listed in the bundle.
Likely exposure
Exposure is most likely in Java applications using affected Hibernate Validator versions and relying on SafeHtml to sanitize user-controlled HTML before display. Downstream products may inherit risk through bundled dependencies or vendor packages.
Exploitation context
The bundle references public proof-of-concept repositories, but KEV is false and no cited source confirms active exploitation. Treat this as a known, reproducible XSS issue rather than a confirmed in-the-wild campaign.
Researcher notes
Evidence supports a SafeHtml sanitization bypass involving HTML comments and instructions. Source detail is limited on exact fixed release ranges; use upstream commits and vendor advisories to confirm remediation state for each dependency path.
Mitigation direction
- Identify all applications and packages using Hibernate Validator SafeHtml.
- Upgrade Hibernate Validator per upstream or vendor guidance; Apache Pluto referenced 6.0.20.Final.
- Apply relevant Red Hat, Oracle, NetApp, or other downstream vendor updates where applicable.
- Review uses of SafeHtml and avoid treating validation as complete output encoding.
- Check vendor advisories for exact fixed versions in packaged products.
Validation and detection
- Search SBOMs and dependency manifests for hibernate-validator versions listed as affected.
- Find code paths using the SafeHtml annotation on user-controlled fields.
- Confirm rendered HTML output is encoded or sanitized by a maintained sanitizer.
- Verify deployed packages include vendor fixes or upstream patched commits.
- Prioritize internet-facing forms, admin portals, comments, profiles, and rich-text inputs.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-10219 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
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.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N3.92.5Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
6.5MediumVector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- [accumulo-notifications] 20200108 [GitHub] [accumulo] milleruntime opened a new pull request #1469: Update hibernate-validator. Fixes CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- [accumulo-notifications] 20200109 [GitHub] [accumulo] milleruntime closed pull request #1469: Update hibernate-validator. Fixes CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- [accumulo-notifications] 20200109 [GitHub] [accumulo] milleruntime commented on issue #1469: Update hibernate-validator. Fixes CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- RHSA-2020:0164CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0159CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0160CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0161CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2020:0445CVE reference · vendor-advisory, x_refsource_REDHAT
- [portals-pluto-dev] 20210714 [jira] [Created] (PLUTO-791) Upgrade to hibernate-validator-6.0.20.Final due to CVE-2020-10693 and CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- [portals-pluto-dev] 20210714 [jira] [Closed] (PLUTO-791) Upgrade to hibernate-validator-6.0.20.Final due to CVE-2020-10693 and CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- [portals-pluto-scm] 20210714 [portals-pluto] branch master updated: PLUTO-791 Upgrade to hibernate-validator-6.0.20.Final due to CVE-2020-10693 and CVE-2019-10219CVE reference · mailing-list, x_refsource_MLIST
- https://www.oracle.com/security-alerts/cpujan2022.htmlCVE reference · x_refsource_MISC
- Upstream fix commitCVE reference · patch
- Upstream fix commitCVE reference · patch
- Proof of ConceptCVE reference · exploit
- Proof of ConceptCVE reference · exploit
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10219CVE reference · x_refsource_CONFIRM
- https://security.netapp.com/advisory/ntap-20220210-0024/CVE reference · x_refsource_CONFIRM
- https://github.com/hibernate/hibernate-validator/commit/124b7dd6d9a4ad24d4d49f74701f05a13e56ceeeCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
