# CVE-2021-27774: An injection vulnerability affects HCL Digital Experience

> Attackers can inject malicious scripts into error responses, enabling phishing attacks against users of HCL Digital Experience.

- **Severity:** Low 3.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 22 Sep 2022
- **Updated:** 27 May 2025
- **Also known as:** GHSA-j588-5q9c-p6xm

## What is CVE-2021-27774?

CVE-2021-27774 is a low-severity cross-site scripting vulnerability in HCL Digital Experience, published on 22 Sep 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

User input included in error response, which could be used in a phishing attack.

Weakness: CWE-20 (Improper Input Validation), CWE-209 (Generation of Error Message Containing Sensitive Information)

## Which versions are affected by CVE-2021-27774?

It affects 1 product.


Products: Hcltech Hcl Digital Experience.

## How do I fix CVE-2021-27774?

No fix has been published for CVE-2021-27774 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-27774 being exploited?

There is no known exploitation of CVE-2021-27774 in the wild and no public exploit code.

## Other vulnerabilities in HCL Digital Experience

- [CVE-2020-4101](https://insights.sbomify.com/CVE-2020-4101/): Server-side request forgery in "HCL Digital Experience" (critical 9.8)
- [CVE-2022-38662](https://insights.sbomify.com/CVE-2022-38662/): HCL Digital Experience is susceptible to open redirects (medium 6.1)
- [CVE-2020-14222](https://insights.sbomify.com/CVE-2020-14222/): Cross-site scripting in HCL Digital Experience (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-27774 and fix it if it is affected.

What it is: CVE-2021-27774 is a low-severity cross-site scripting vulnerability in HCL Digital Experience, published on 22 Sep 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-27774 in the wild and no public exploit code.

Affected product: HCL Digital Experience. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-27774/ (Markdown: https://insights.sbomify.com/CVE-2021-27774/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-27774
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-27774
- OSV: https://osv.dev/vulnerability/CVE-2021-27774

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-27774/
Summaries are generated and may contain mistakes; the official description above is the record.