6.1

CVE-2021-26698: open-xchange open-xchange_appsuite Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 22-07-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-26698 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in open-xchange open-xchange_appsuite. EPSS estimates a 1.43% chance of exploitation in the next 30 days, higher than 72.7% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
1.43%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 22-07-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

OX App Suite before 7.10.3-rev32 and 7.10.4 before 7.10.4-rev18 allows XSS via a code snippet (user-generated content) when a sharing link is created and the dl parameter is used.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

1.43%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.43% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.43%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (seclists.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Open-xchange1 product
  • open-xchange_appsuite7.10.3 | 7.10.3:patch_release5547 | 7.10.3:patch_release5572 | 7.10.3:patch_release5623 | 7.10.3:patch_release5653 | 7.10.3:patch_release5677 | 7.10.3:patch_release5720 | 7.10.3:rev1 | 7.10.3:rev10 | 7.10.3:rev11 | 7.10.3:rev12 | 7.10.3:rev13 | 7.10.3:rev14 | 7.10.3:rev15 | 7.10.3:rev16 | 7.10.3:rev17 | 7.10.3:rev18 | 7.10.3:rev19 | 7.10.3:rev2 | 7.10.3:rev20 | 7.10.3:rev21 | 7.10.3:rev22 | 7.10.3:rev23 | 7.10.3:rev24 | 7.10.3:rev25 | 7.10.3:rev26 | 7.10.3:rev27 | 7.10.3:rev28 | 7.10.3:rev29 | 7.10.3:rev3 | 7.10.3:rev30 | 7.10.3:rev31 | 7.10.3:rev4 | 7.10.3:rev5 | 7.10.3:rev6 | 7.10.3:rev7 | 7.10.3:rev8 | 7.10.3:rev9 | 7.10.4 | 7.10.4:rev1 | 7.10.4:rev10 | 7.10.4:rev11 | 7.10.4:rev12 | 7.10.4:rev13 | 7.10.4:rev14 | 7.10.4:rev15 | 7.10.4:rev16 | 7.10.4:rev17 | 7.10.4:rev2 | 7.10.4:rev3 | 7.10.4:rev4 | 7.10.4:rev5 | 7.10.4:rev6 | 7.10.4:rev7 | 7.10.4:rev8 | 7.10.4:rev9

1 vendor · 1 product

References

3 links