PatchTheCVECVE-2022-1156: The Books & Papers WordPress plugin through 0.20210223 does not escape its Custom DB prefix settings, allowing
CVE-2022-1156 is a medium-severity flaw (CVSS 4.8) affecting books \& papers. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The Books & Papers WordPress plugin through 0.20210223 does not escape its Custom DB prefix settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.8 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 51%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-04-25 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-1156?
books \& papers: upgrade to newer than 0.20210223. Exact commands for each OS are on this page.
Is CVE-2022-1156 being exploited?
CVE-2022-1156 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-1156 affect?
CVE-2022-1156 affects books \& papers. Severity is medium (CVSS 4.8). The Books & Papers WordPress plugin through 0.20210223 does not escape its Custom DB prefix settings, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
How urgent is CVE-2022-1156?
Priority 34/100. Public exploit reference