PRTG Network Monitor through 22.2.77.2204 does not prevent custom input for a device’s icon, which can be modified to insert arbitrary content into the style tag for that device. When the device page loads, the arbitrary Cascading Style Sheets (CSS) data is inserted into the style tag, loading malicious content. Due to PRTG Network Monitor preventing “characters, and from modern browsers disabling JavaScript support in style tags, this vulnerability could not be escalated into a Cross-Site Scripting vulnerability.
CVE-2022-35739
Score 5.3 from GitHub Security Advisory published 2023-07-06. NVD baseline CVSS 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 49.8%
- KEV
- Not listed
Published
October 25, 2022
Last Modified
May 7, 2025
References (4)
- cve@mitrehttps://raxis.com/blog/cve-2022-35739
- cve@mitrehttps://www.paessler.com/prtg/history/stable
- af854a3a-2127-422b-91ae-364da2661108https://raxis.com/blog/cve-2022-35739
- af854a3a-2127-422b-91ae-364da2661108https://www.paessler.com/prtg/history/stable
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-25 13:13 UTCEG score recompute
- 2026-05-25 13:13 UTCGHSA enrichment
- 2026-05-24 16:51 UTCEPSS rescore
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Frequently asked(5)
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