6.1

CVE-2023-47125: By-passing Cross-Site Scripting Protection in HTML Sanitizer

Modified
Published 14-11-2023Last modified 29-08-2024

Vulnerability summary

CVE-2023-47125 is a medium (CVSS 6.1) vulnerability in typo3 html_sanitizer. EPSS estimates a 0.58% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.7, 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
0.58%
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

Timeline

  1. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 29-08-2024
    Last modifiedVulnerability information updated.

Description

TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.58%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.57% 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, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Typo33 products
  • html_sanitizer≥ 1.0.0, < 1.5.3 | ≥ 2.0.0, < 2.1.4
  • html-sanitizer≥ 1.0.0, < 1.5.3 | ≥ 2.0.0, < 2.1.4
  • typo3≥ 8.7.42, < 8.7.55 | ≥ 9.5.29, < 9.5.44 | ≥ 10.4.19, < 10.4.41 | ≥ 11.3.2, < 11.5.33 | ≥ 12.0.0, < 12.4.8

1 vendor · 3 products

References

3 links