6.1

CVE-2023-7113: mattermost

Modified
AliasesGHSA-h3gq-j7p9-x3p4BIT-mattermost-2023-7113GO-2024-2446
Published 29-12-2023Last modified 02-08-2024

Vulnerability summary

CVE-2023-7113 is a medium (CVSS 6.1) vulnerability in mattermost. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 22.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.7, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.1/10
010
Medium · v3.1 (NVD)
EPSS score
0.30%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Related 7
CGA-C2R9-JM5Q-WJ28CGA-HPFV-F2F6-3F5HCGA-JPXX-JXCP-J4H5CGA-PCXV-43R4-92MMCGA-X6R4-4X4R-RJ58CGA-XJXV-X3R6-V5X9

Timeline

  1. 29-12-2023
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last modifiedVulnerability information updated.

Description

Mattermost version 8.1.6 and earlier fails to sanitize channel mention data in posts, which allows an attacker to inject markup in the web client.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.30%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.30% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard2 products
  • mattermost-fips-10.5All versions (No fix recorded)
  • mattermost-fips-10.5-compatAll versions (No fix recorded)
Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
Github.com/mattermost1 product
  • mattermost-serverAll versions (No fix recorded)
Github.com/mattermost/mattermost/server1 product
  • v8< 8.1.7 | All versions (No fix recorded)

5 vendors · 8 products

References

5 links