CVE-2021-44116 json
Cross-site Scripting in Anchor CMS
published 2021-12-15 4 y ago modified 2026-06-17 4 mo ago also GHSA-7mq6-cp5m-f4j5 , EUVD-2022-0502
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php. Attackers can use the posts column to upload the title and content containing malicious code to achieve the purpose of obtaining the administrator cookie, thereby achieving other malicious operations.
Exploit prediction
0.77% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- cnblogs.com https://www.cnblogs.com/unrealnumb/p/15573449.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | anchorcms/anchor-cms | <=0.12.7 |
no fix listed |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
cnblogs.com
/unrealnumb/p/15573449.html
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-44116
advisory
-
github.com
/anchorcms/anchor-cms
package
Sources
- CVE List CVE-2021-44116
- GitHub Advisory GHSA-7mq6-cp5m-f4j5
- NVD CVE-2021-44116
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.