Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2021-46827

21
FAUCET Score

CVE-2021-46827 is a cross-site scripting (XSS) vulnerability found in Oxygen XML WebHelp versions prior to 22.1 build 2021082006 and 23.x prior to 23.1 build 2021090310, affecting various Oxygen XML products. This flaw allows an attacker to execute arbitrary JavaScript by tricking a user into typing specific text into the search field of the generated online documentation. Rated as Medium severity (CVSS 6.1), it requires user interaction and network access, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 22.1CPE matchmatch criteria
cpe:2.3:a:sync:oxygen_publishing_engine:*:*:*:*:*:*:*:*
22.1CPE matchmatch criteria
cpe:2.3:a:sync:oxygen_publishing_engine:22.1:2020061014:*:*:*:*:*:*
22.1CPE matchmatch criteria
cpe:2.3:a:sync:oxygen_publishing_engine:22.1:2020072823:*:*:*:*:*:*
22.1CPE matchmatch criteria
cpe:2.3:a:sync:oxygen_publishing_engine:22.1:2020100801:*:*:*:*:*:*
22.1CPE matchmatch criteria
cpe:2.3:a:sync:oxygen_publishing_engine:22.1:2020121711:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.44%
Probability of exploitation in next 30 days
EPSS Percentile
36.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0044 is in the 38th percentile among its peer group of 26,221 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

oxygenxml.com / security/advisory/SYNC-2021-072301.html
PatchVendor Advisory