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CVE-2021-43852

28
FAUCET Score

CVE-2021-43852 is a prototype pollution vulnerability affecting OroPlatform, a PHP Business Application Platform. An unauthenticated attacker can inject properties into JavaScript prototypes via a specially crafted request, potentially leading to remote code execution. This vulnerability carries a high CVSS score of 8.8, indicating a severe risk with high impact on confidentiality, integrity, and availability, requiring user interaction to exploit. While no public exploits or active exploitation have been observed, and community discussion is minimal, users are advised to upgrade to version 4.2.8 or implement firewall rules to mitigate the risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.1.0, < 4.1.14CPE matchmatch criteria
cpe:2.3:a:oroinc:oroplatform:*:*:*:*:*:*:*:*
>= 4.2.0, < 4.2.8CPE matchmatch criteria
cpe:2.3:a:oroinc:oroplatform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.3
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.09%
Probability of exploitation in next 30 days
EPSS Percentile
62.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0109 is in the 61st percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

composerpatch availablevia ghsa
Product: oro/platformFixed in: 4.1.14
composerpatch availablevia ghsa
Product: oro/platformFixed in: 4.2.8
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-jx5q-g37m-h5hjmedium

Client-Side JavaScript Prototype Pollution in oro/platform

Jan 6, 2022

References

github.com / oroinc/platform/commit/62c26936b3adee9c20255dcd9f8ee5c299b464a9
PatchThird Party Advisory
github.com / oroinc/platform/security/advisories/GHSA-jx5q-g37m-h5hj
MitigationThird Party Advisory