CVE-2025-6839: Conjure Position Department Service Quality Evaluation System · Backdoor
Affects Conjure Position Department Service Quality Evaluation SystemSource CVE Database V5
Public exploit available · CVSS 5.3 Medium.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 29 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Conjure Position Department Service Quality Evaluation System | Affected
| Fixed in– |
AI-suggested
Organizations using the affected versions of the Conjure Position Department Service Quality Evaluation System should take immediate action to mitigate this vulnerability. Since no official patches are currently linked, the following specific measures are recommended: 1) Implement strict input validation and sanitization on the 'payload' parameter within the eval function to prevent code injection. 2) Employ web application firewalls (WAFs) with custom rules to detect and block suspicious payloads targeting the vulnerable endpoint. 3) Conduct thorough code audits focusing on the use of 'eval' functions and replace them with safer alternatives where possible. 4) Restrict network access to the affected service, limiting exposure to trusted internal networks only. 5) Monitor logs for unusual activity or signs of exploitation attempts, including unexpected code execution or backdoor indicators. 6) Prepare for incident response by backing up critical data and establishing containment procedures. 7) Engage with the vendor for updates or patches and apply them promptly once available. 8) Consider deploying application-layer intrusion detection systems to identify exploitation patterns.
Description
A vulnerability, which was classified as critical, has been found in Conjure Position Department Service Quality Evaluation System up to 1.0.11. Affected by this issue is the function eval of the file public/assets/less/bootstrap-less/mixins/head.php. The manipulation of the argument payload leads to backdoor. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.